A dynamic and exciting employer

The key to our success are talented and motivated people – while being committed to meet the highest professional standards we attach great importance to the pleasure of teaming up with gifted and cheerful colleagues.

Team

Dr. Abhishek Saxena

+41 44 435 10 10 abhishek.saxena@d-one.ai

Abhishek holds a PhD in Mechanical Engineering from ETH Zurich and a MSc in Nuclear Engineering from ETH ZurichEPF Lausanne. During his studies he received the Excellence Scholarship and the Outstanding Young Academics award from the Swiss Government. Abhishek is an experienced engineering professional with extended experience as a Researcher in the fields of Algorithm development, Data Analytics and Mathematical Modelling. Prior to joining D ONE, he worked as a Senior Simulation & Modelling Engineer, in ams Osram AG. Abhishek has been with the team since 2022.

Agata Lewandowska

+41 44 435 10 10 agata.lewandowska@d-one.ai

Agata holds an M.Sc. in Econometrics & Information Technology and a B.Sc. in Management from Poznań University of Economics & Business. Before joining D ONE Agata worked as a Data Scientist in Roche for almost 4 years, mainly in projects around clinical trials. Her areas of expertise are data engineering and data science. Agata has been with the team since 2022.

Akis Gazepidis

+41 44 435 10 10 akis.gazepidis@d-one.ai

Akis received his BSc in Statistics from the University of Piraeus and his MSc in Data Science from the American College of Greece. He is an experienced Data Scientist with experience in information extraction techniques used on documents, scraping data through internet and training of machine learning models. Akis has been with the team since 2023.

Alexandra Studer

+41 44 435 10 85 alexandra.studer@d-one.ai

Alexandra received her M.Sc. in Mechanical Engineering from the Swiss Federal Institute of Technology (ETH Zurich) in 2016. Her areas of expertise are data analytics and visualization. Alexandra is with the team since 2017.

Alexandros Kalimeris

+41 44 435 10 10 alexandros.kalimeris@d-one.ai

Alexandros holds an M.Sc. in Data Science & Information Technologies and a B.Sc in Informatics & Telecommunications from the National and Kapodistrian University of Athens. Before joining D ONE he worked as a Data Scientist at Athena Research Center. He has significant experience in Data Science and implementation of datadriven solutions to real business problems and has a strong understanding of Machine Learning and Data Science concepts, algorithms and related technologies. Alexandros has been with the team since 2022.

Alexandros Polichronopoulos

+41 44 435 10 10 alexandros.polichronopoulos@d-one.ai

Alexandros received his BSc in Computer Science from the Athens University of Economics and Business. He has significant experience as a S/W Engineer. Before joining D ONE he worked as a Lead Engineer in a global B2B solution provider corporation. Alexandros has been with the team since 2022.

Alexis Zamanis

+41 44 435 10 10 alexis.zamanis@d-one.ai

Alexis is a MEng graduate in Electrical and Computer Engineering from the National Technical University of Athens. Prior to joining D ONE, he served as a DevOps engineer at a leading MLOps company specialising in production-ready Kubeflow solutions. During his tenure, he automated Kubernetes operations across multiple hyperscalers, facilitating seamless machine learning workflows on the cloud.

Dr. Ali Soleymani

+41 44 435 10 10 ali.soleymani@d-one.ai

Ali received his PhD in Natural Sciences (GIScience) from the University of Zurich and his MSc in GIS Engineering from the University of Tehran. He is a data Scientist with extensive experience in building analytical data pipelines for processing large datasets and creating innovative machine learning based solutions. Before joining D ONE, Ali was a lead research engineer at Here Technologies working on various projects at the intersection of deep learning and geospatial data analytics. Ali has been with the team since 2022.

Dr. Andrei Dmitrenko

+41 44 435 10 10 andrei.dmitrenko@d-one.ai

Andrei received his Bachelor in Applied Mathematics and Physics from the St. Petersburg State University in Russia. He further obtained a Master's degree in Bioinformatics. Andrei worked as a specialist in bioinformatics and a systems biology team lead at BIOCAD. Before joining D ONE, he did a PhD in applied artificial intelligence at ETH Zürich. He has significant academic and industrial work experience in life sciences covering project and team management. He is passionate about AI and its applications to real-world problems. Andrei has been with the team since 2022.

Andrey Sluzhivoy

+41 44 435 10 99 andrey.sluzhivoy@d-one.ai

Andrey holds a diploma with honors in Mathematics and Computer Science from the University of Duisburg-Essen in Germany. His areas of expertise are analytics, data warehousing, and dashboard development. Andrey has been in the team since 2016.

Dr. Axel Obermeier

+41 44 435 10 09 axel.obermeier@d-one.ai

Axel holds an M.Sc. in Technical Mathematics from Vienna University of Technology and a Ph.D. in Applied Mathematics from the Swiss Federal Institute of Technology (ETH Zurich). During his Ph.D., he developed the first algorithm with optimal complexity for non-elliptic problems. His areas of expertise are mathematical optimization, customer analytics and machine learning. Axel has been in the team since 2017.

Babek Dabaghchian

+41 44 435 10 10 babek.dabaghchian@d-one.ai

Babek holds a M.Sc. and a B.Sc. in Mechanical Engineering from the Swiss Federal Institute of Technology (ETH) in Zurich. Before joining D ONE, he held various positions as data scientist, software engineer, project manager and business analyst. Babek has been with our team since 2020.

Dr. Bernhard Vennemann

+41 44 435 10 10 bernhard.vennemann@d-one.ai

Bernhard received his Doctor of Science in 2019 and holds a M.Sc. and B.Sc. in Mechanical Engineering from the Swiss Federal Institute of Technology (ETH Zurich). Before joining D ONE, Bernhard worked as a University lecturer for machine learning at ETH Zurich. Bernhard has been with the team since 2021.

Dr. Carlos Parés-Pulido

+41 44 435 10 10 carlos.parespulido@d-one.ai

Carlos comes from a dual background in Mathematics and Computer Science. In 2021 he graduated with a PhD in Applied Mathematics from ETH Zurich. His areas of expertise are programming, statistical data analysis and development of high-performance numerical methods. He has been a lecturer for ETH Zurich. Carlos has been with the team since 2022.

Dr. Charlotte Cabane

+41 44 435 10 96 charlotte.cabane@d-one.ai

Charlotte graduated with a Ph.D. in economics from University Paris 1 Panthéon-Sorbonne in 2011 and she also holds a master's degree in economics from Paris School of Economics. Afterwards she served as a postdoctoral researcher and then assistant professor at the University of St. Gallen, Switzerland. Her areas of expertise are data visualization and analytics. Charlotte has been in the team since 2016.

Charlotte Ehrlicher

+41 44 435 10 10 charlotte.ehrlicher@d-one.ai

Charlotte holds a B.Sc in Business Administration from the University of Applied Sciences Northwestern Switzerland. Before joining D ONE, she worked in administration in the mechanical engineering sector. At D ONE, Charlotte is part of the administration team. She has been with the team since 2022.

Christian Erni

+41 44 435 10 91 christian.erni@d-one.ai

Christian is a pioneer of new media communication and has a vast experience at the intersection of information and design. Before joining D ONE, he was Creative Director at international agencies and lecturer for visual design at Zurich University of the Arts. Christian presides the Best of Swiss Web jury and was juror at the New York Festivals until 2012. Christian is our communication director and is heading our data experience practice.

Christianna Toliopoulou

+41 44 435 10 10 christianna.toliopoulou@d-one.ai

Christianna holds an MSc in Business Analytics and a BSc in International Economics from AUEB. She specializes as a BI Engineer and Scrum Master with hands-on experience in product analytics and visualization as well as in delivering insights and presenting results to various levels and stakeholders. She has extended experience working in multinational environments and client facing roles in Sports gaming, Technology and FMCG sectors. Christianna has been with the team since 2023.

Christine Tsakanika

+41 44 435 10 10 christine.tsakanika@d-one.ai

Christine holds an M.Sc. in Electrical & Computer Engineering from the National & Technical University of Athens. Before joining D ONE, she worked as a Software Developer contributing to corporations that provide software solutions for large clients in the banking sector, Greek public services, and energy providers.

Christoph Sütterlin

+41 44 435 10 10 christoph.suetterlin@d-one.ai

Christoph is part of our administration team. After his commercial apprenticeship with vocational matura he worked several years as an accountant. He has been with the team since 2023.

Christos Spiropoulos

+41 44 435 10 10 christos.spiropoulos@d-one.ai

Christos received his MSc in Data Science and Machine Learning from the National Technical University of Athens. He also holds degrees in Applied Mathematical Sciences from the same institution. Before joining the team, Christos worked as a Data Scientist for the National Bank of Greece.

Clément François

+41 44 435 10 10 clement.francois@d-one.ai

Clément received his M.Sc. and B.Sc. in Computer Science from University of Basel. Before joining D ONE, Clément worked as a business analyst at Mitwill Textiles Europe. He has been with the team since 2021.

Darya Bomberger

+41 44 435 10 10 darya.bomberger@d-one.ai

Darya holds an MBA from the Liverpool John Moores University, UK and an M.Eng in International Project Management from the University of Applied Sciences, DE. She has successfully completed a Data Science Bootcamp in SIT Academy, CH. Before joining D ONE, she worked as a Project Lead/Head of Digitalization in Drees & Sommer Schweiz AG. Darya has been with the team since 2022.

Diana Mitache

+41 44 435 10 10 diana.mitache@d-one.ai

Diana holds a M.Sc. in Managing Information and Business Technology from Loughborough University, UK and is currently on track to complete a M.Sc. in Computer Science and Artificial Intelligence from the University of York, UK. Before joining D ONE, she worked as a Lead Tableau Developer at Credit Suisse in Zurich. Diana has been with the team since 2021.

Dimitris Tsesmelis

+41 44 435 10 10 dimitris.tsesmelis@d-one.ai

Dimitris received his MSc in Big Data Management & Analytics, jointly issued by Université Libre de Bruxelles, Universitat Politècnica de Catalunya and Centrale Supélec. He also holds a BSc in Informatics and Telecommunications from National and Kapodistrian University of Athens (graduated 2nd in his class). Before joining D ONE, he worked as an early stage researcher at Athena Research Centre, under a Marie Skłodowska-Curie Innovative Training Networks scholarship. Previous to that, he worked at Accenture. He mainly participated in building large-scale data management solutions in the financial sector. Dimitris has been with the team since 2022.

Dr. Domante Gerciene

+41 44 435 10 10 domante.gerciene@d-one.ai

Domante received a PhD in Sociology from the University of Oxford in 2021. She also holds an MSc in Sociology from the University of Oxford where she was a Trinity-Wordsworth scholar. She completed a BA in Sociology at Sciences Po Paris and spent an academic exchange year focusing on computational methods at the University of California, Berkeley. Domante has been with the team since 2022.

Dominique Im Obersteg

+41 44 435 10 10 dominique.imobersteg@d-one.ai

Dominique received his MSc in Computer Science from the Swiss Federal Institute of Technology (ETH Zurich). Before joining D ONE he held various management positions in Avaloq consulting and was managing partner of a consulting company for financial institutions. Dominique joined the team in 2021 and is managing director and leading one of the business units of D ONE.

Elena Pateraki

+41 44 435 10 10 elena.pateraki@d-one.ai

Elena holds a BA in Statistics from the Athens University of Economics and Business. Before joining D ONE, Elena had been working for 4 years as a Data Analyst, participating in various projects in a wide range of industries. Her areas of expertise are Data Engineering & Visualization. Elena has been with the team since 2022.

Else Novac

+41 44 435 10 10 else.novac@d-one.ai

Else received her MSc in Mathematics from the University of Vienna. Prior to joining D ONE, she has worked as a Data Scientist in large multinational companies and startups. Else has been with the team since 2022.

Eszter Börzsönyi

+41 44 435 10 12 eszter.boerzsoenyi@d-one.ai

Eszter graduated with a master degree in business information systems from Corvinus University of Budapest in 2014. Her areas of expertise are data quality, ETL-processes and reporting. Eszter has been in the team since 2014.

Eszter Kocsis

+41 44 435 10 10 eszter.kocsis@d-one.ai

Eszter holds a B.Sc. in International Business Administration from Rotterdam School of Management and a M.Sc. in Data-Intensive Analysis with Distinction from University of St Andrews. Before joining D ONE, she worked as a Data Scientist at Emarsys. Eszter has been with the team since 2021.

Fabian Russmann

+41 44 435 10 10 fabian.russmann@d-one.ai

Fabian graduated with a M.Sc. in Physics from the Swiss Federal Institute of Technology (ETH Zurich) in 2014 after receiving a B.Sc. in Physics from Jacobs University Bremen, Germany. His areas of expertise are project management, data warehouses, data modeling, and data analytics. Projects in healthcare, insurance, telecommunications, banking and sports organizations. Fabian has been in the team since 2016.

Filippos Nikolopoulos

+41 44 435 10 10 filippos.nikolopoulos@d-one.ai

Filippos received his MSc in Business Analytics and his BSc in Economics from the Athens University of Economics & Business. Before joining D ONE he worked as a Data Scientist / Digital Transformation Analyst in the National Hellenic Telecommunications Organisation. Filippos has been with the team since 2022.

Gabriel Levaillant

+41 44 435 10 10 gabriel.levaillant@d-one.ai

Gabriel holds an MSc in Banking, Finance and Insurance from the University of Paris-Dauphine. During his studies, he attended Finance and Computer Science classes at the Hanken School of Economics in Helsinki, Finland. Before joining D ONE, he worked as a Data Scientist for Ankorstore. He has significant professional experience in the public and private sector. Gabriel has been with the team since 2022.

Dr. George Bakas

+41 44 435 10 10 george.bakas@d-one.ai

George holds a PhD in High Energy Physics from the National Technical University of Athens, from where he also holds an MSc in Applied Physics and a BSc in Applied Mathematics & Physics. Before joining D ONE, he spent almost 3 years working as a Data Scientist in the material science and retail industries, and 4 years analysing and processing datasets from the CMS experiment at CERN while at the same time working as a Control Systems Engineer for CERNs Detector Control Systems.George has been with the team since 2023.

George Balas

+41 44 435 10 10 george.balas@d-one.ai

George received his BA in Management Science and Technology from the Athens University of Economics and Business. Before joining D ONE, he worked as a Data Engineer / Business Analyst in the Consulting & Financial Advisory field. George has been with the team since 2023.

George Verouchis

+41 44 435 10 10 george.verouchis@d-one.ai

George holds a Master Degree in Electrical Computer Engineering from the University of Patras. His previous professional experience extends in the field of Business Services where he worked as a Data Operations Project Coordinator, Researcher & Data Engineer.

Hans Peter Gränicher

+41 44 435 10 11 hanspeter.graenicher@d-one.ai

Hans Peter is co-founder and CEO of D ONE. He received an engineering degree from Swiss Federal Institute of Technology Zurich (ETH) in 1994 and stayed at Lawrence Berkeley Laboratory as a researcher for a year. Since 2000 he held various positions in consulting. He founded D ONE in 2005 on the belief that data driven value creation is key for all industries in the 21st century.

Dr. Heiko Kromer

+41 44 435 10 10 heiko.kromer@d-one.ai

Heiko holds a Ph.D. in Nuclear Engineering from the Swiss Federal Institute of Technology (ETH Zurich). His consulting focus is advanced data analytics and machine learning including data extraction, processing, modelling, and visualization. Heiko has been with the team since 2021.

Ilias Panagiotaras

+41 44 435 10 10 ilias.panagiotaras@d-one.ai

Ilias received his M.Eng. in Electrical and Computer Engineering from the National Technical University of Athens. Before joining D ONE, he worked as a System Administrator in the Hellenic Air Force. Ilias has been with the team since 2022.

Inna Grijnevitch

+41 44 435 10 90 inna.grijnevitch@d-one.ai

Inna received her B.Sc. in Software and Computer Engineering from Israel Institute of Technology and her M.Sc. in Computational Biology and Bioinformatics from ETH Zurich. Following her studies she worked at Microsoft USA, IBM Research and Frauenhofer Institute. Her focus is in machine learning and software development. Inna has been in the team since 2019.

Dr. Ioanna Papavergou

+41 44 435 10 10 ioanna.papavergou@d-one.ai

Ioanna holds a PhD in High Energy Physics from the National and Kapodistrian University of Athens and a MSc in Astronomy and Astrophysics from the University of Amsterdam. Before joining D ONE, she worked as a Data Analyst Intern at B12 Consulting (Belgium), along with her research activities at CERN. Ioanna has been with the team since 2022.

Ioanna Psarra

+41 44 435 10 10 ioanna.psarra@d-one.ai

Ioanna received her MSc in Computational and Statistical Data Analysis from the University of Patras. Her career objective is to explore the fields of technology and innovation in a data driven approach and in a way that empowers sustainable communities. Before joining D ONE, she worked as a Research Analyst in the field of Information Services, and she also has experience in the software and fintech industries. Ioanna has been with the team since 2022.

Ioannis Markopoulos

+41 44 435 10 10 ioannis.markopoulos@d-one.ai

Ioannis holds a M.Sc. in Business Information Systems from University of Amsterdam and a B.Sc. in Informatics from University of Piraeus, Greece. Before joining D ONE, he worked as a Data Engineering and Architecture Manager at Deloitte in Athens. Ioannis has been with the team since 2021.

Jacqueline Stählin

+41 44 435 10 86 jacqueline.staehlin@d-one.ai

Jacqueline received her M.Sc. in Biology from the Swiss Federal Institute of Technology (ETH Zurich) in 2016. Her areas of expertise are data architecture, analytics and visualization. Jacqueline has been in the team since 2017 and is leading a business unit.

Dr. Jan Scharnetzky

+41 44 435 10 10 jan.scharnetzky@d-one.ai

Jan holds a B.Sc. and a M.Sc. in Interdisciplinary Sciences as well as a Ph.D. in Physics from ETH Zurich. Before joining D ONE, he worked as a Postdoctoral researcher at ETH Zurich. Jan has been with the team since 2021.

Joël Ineichen

+41 44 435 10 07 joel.ineichen@d-one.ai

Joël graduated with a degree in computer science from Berne University of Applied Sciences in 2010. His areas of expertise are data architecture, project management and data warehouse design. Joël has been in the team since 2011 and is leading a business unit.

Dr. Johannes Brand

+41 44 435 10 10 johannes.brand@d-one.ai

Johannes holds a PhD in Neuroinformatics from the Swiss Federal Institute of Technology (ETH Zurich). He also holds a University Diploma equivalent to M.Sc. and a B.Sc. in Electrical Engineering and Information Technology from the Technical University of Munich. Before joining D ONE, he worked as a Senior Data Scientist at Auterion in Zurich. Johannes has been with the team since 2022.

Jonas Rohrer

+41 44 435 10 10 jonas.rohrer@d-one.ai

Jonas is studying Business Administration at the University of St. Gallen (HSG) and is doing his internship with us. Before joining D ONE he did an internship in the Marketing and Service Lab at the Zurich University of Applied Sciences. Jonas has been with the team since 2023.

Julia Binder

+41 44 435 10 10 julia.binder@d-one.ai

Julia holds a M.Sc. in Business Administration from Linköping University. She worked at the German-Swedish Chamber of Commerce and EF Education First in the Finance department. At D ONE Julia is part of the administration team. She has been with the team since 2021.

Justyna Boczon

+41 44 435 10 10 justyna.boczon@d-one.ai

Justyna received an MSc in Management and a BSc in Finance and Accounting from the Warsaw School of Economics. Prior to joining D ONE, she worked as a BI and Data Developer in Lingaro. Justyna has been with the team since 2022.

Katia Ponti

+41 44 435 10 10 katia.ponti@d-one.ai

Katia holds a Professional Certificate as an Executive Assistant. She has many years of experience as an executive & personal assistant in the fields of Education and Media. Before joining D ONE, she worked as a PA to the Chairman & CEO at Dentsu Greece. Katia is part of the administration team in Athens. She has been with the team since 2021.

Katrin Stewart

+41 44 435 10 94 katrin.stewart@d-one.ai

Katrin received her degree 2004 in Hospitality Management from the Swiss Hotel Management School Lucerne and served as Cost Controller at Badrutt's Palace Hotel in St. Moritz and as Marketing Manager at Swissôtel Zürich in Zurich. And in 2014 she graduated with the higher economic/business diploma from HSO Wirtschaftsschule Schweiz. At D ONE Katrin is Team Leader Administration and has been with the team since 2011.

Dr. Kerem Tezcan

+41 44 435 10 10 kerem.tezcan@d-one.ai

Kerem received his PhD in Computer Vision from ETH Zurich and his MSc in Biomedical Engineering from Heidelberg University. He has extensive experience in Electronics engineering with specialization in machine learning and data analysis. Kerem has been with the team since 2022.

Konstantinos Ninas

+41 44 435 10 10 konstantinos.ninas@d-one.ai

Konstantinos received his Master of Science in Business Analytics from the Athens University of Economics and Business. He is an experienced ERP Business Consultant with a diverse domain knowledge and experience across multiple industries such as Retail, Pharmaceutical, Insurance and more. Konstantinos has been with the team since 2023.

Konstantinos Pittas

+41 44 435 10 10 konstantinos.pittas@d-one.ai

Konstantinos holds an M.Sc. from the National Technical University of Athens in Chemical Engineering and an M.Sc. in Management Science and Technology from Athens University of Economics and Business. Before joining D ONE, he worked as a Senior Quantitative Consultant at Ernst & Young in Athens. Konstantinos has been with the team since 2021.

Konstantinos Zeakis

+41 44 435 10 10 konstantinos.zeakis@d-one.ai

Konstantinos holds a Master of Science in Electrical and Computer Engineering from the National Technical University of Athens. He is experienced in systems integration and implementation of applications for Business Intelligence, Data Warehouse and MDM, across 2 industries, banking and life sciences. Konstantinos has been with the team since 2022.

Liliane Merk

+41 44 435 10 10 liliane.merk@d-one.ai

Liliane holds a Master's and a Bachelor's degree in Business Administration from the University of St. Gallen (HSG). Before joining D ONE she worked in leading and specialist positions for Switzerland's official organization for export and investment promotion, and for the Swiss watch and jewelry industry. Now, she helps D ONE build the company's ecosystem with regard to talents, partners and clients.

Liubomyr Fedyniak

+41 44 435 10 10 liubomyr.fedyniak@d-one.ai

Liubomyr received his Masters Degree in Business Informatics from Kyiv National Economic University. His areas of expertise are data modeling, architecture and business analysis. Liubomyr has joined the team in 2020.

Lorena Maruna

+41 44 435 10 10 lorena.maruna@d-one.ai

Lorena is a part of our Backbone Team. After her commercial apprenticeship she worked 4 years as a commercial allrounder with main emphasis in accounting. In March 2023 she finished her further education in Human Resources. Lorena has been with the team since 2022.

Lorenz Eichhorn

+41 44 435 10 10 lorenz.eichhorn@d-one.ai

Lorenz received his M.Sc. in Business Analytics from BI Norwegian Business School in Oslo, Norway. He also holds a B.Sc. in Business Administration from the University St. Gallen. Lorenz joined the team in 2021.

Luca De Francesco

+41 44 435 10 10 luca.defrancesco@d-one.ai

Luca received his M.Sc. in Mechanical Engineering from the Delft University of Technology. Before joining D ONE, Luca completed a Graduate Program in the UK and held a data engineering position in Switzerland. He has been with the team since 2020.

Lukas Hefti

+41 44 435 10 10 lukas.hefti@d-one.ai

Lukas received his BA in English Language and Literature Studies with a minor in Geography from the University of Zurich. Now, he works at D ONE as a Community Builder, promoting team culture and projects. In his free time, Lukas develops board games, sings, and performs close-up magic. Lukas has been with the team since 2022.

Maciej Siciński

+41 44 435 10 10 maciej.sicinski@d-one.ai

Maciej holds a Bachelor in Faculty of Management from University of Gdansk and a Masters degree in Quantitative Methods in Economics and Information Systems from Warsaw School of Economics. Before joining D ONE, he was working as a DWH Team Leader at EF Education First in Zurich. Maciej has been with the team since 2021.

Marc Bourqui

+41 44 435 10 10 marc.bourqui@d-one.ai

Marc holds an M.Sc. in Computer Science from the Swiss Federal Institute of Technology in Lausanne. Before joining D ONE, he has been a full stack developer working on implementing and maintaining data products and mobile applications. Marc has been with the team since 2020.

Dr. Marcel Zemp

+41 44 435 10 13 marcel.zemp@d-one.ai

Marcel received his Ph.D. in physics from the Swiss Federal Institute of Technology (ETH Zurich) in 2006. Afterwards, he held research positions in Santa Cruz, Ann Arbor and Peking. His areas of expertise are data modelling, data warehousing, and reporting. Marcel has been in the team since 2014.

Dr. Marco Petrella

+41 44 435 10 10 marco.petrella@d-one.ai

Marco received his Master of Science in Mathematics from the University of Tübingen and his PhD in Applied Mathematics at the Swiss Federal Institute of Technology in Zurich (ETH), where he has been also a lecturer. His areas of expertise include Machine Learning algorithms and Data Analytics. Marco has been with the team since 2023.

Dr. Maria Kliesch

+41 44 435 10 10 maria.kliesch@d-one.ai

Maria holds a Master of Arts and a Ph.D. in Linguistics from the University of Zurich with a specialization in Neurolinguistics. Prior to joining D ONE, she led a Doc.CH research project funded by the Swiss National Science Foundation on the effects of foreign language learning on the aging brain. Maria has been with the team since January 2022.

Maria Petrou

+41 44 435 10 10 maria.petrou@d-one.ai

Maria holds an MSc in Actuarial Science and Risk Management from the University of Piraeus and a BSc in Mathematics from the University of Patras. Before joining D ONE, she worked as a Senior Data Engineer in large multinational organizations, specializing in Data Warehouse and System Integration projects in the banking industry.

Marianna Arvaniti

+41 44 435 10 10 marianna.arvaniti@d-one.ai

Marianna holds an M.Sc.in Computer Science from the University of Crete, Greece and a Diploma in Computer Science & Engineering from the University of Ioannina, Greece. Before joining D ONE she worked as a Research & Development Engineer at Proxitour, as well as a Research Assistant at ICS-FORTH. Marianna has been with the team since 2022.

Mark Pfändler

+41 44 435 10 20 mark.pfaendler@d-one.ai

Mark received his M.Sc. in Management, Technology and Economics from ETH Zurich in 2019 and he also holds a B.Sc. in Mechanical Engineering. His areas of expertise are data analytics and project management. Mark has been in the team since 2019.

Massimo Höhn

+41 44 435 10 10 massimo.hoehn@d-one.ai

Massimo holds a Bachelor of Arts in Business Administration from University of St. Gallen (HSG) and a Master of Science in Statistics from Swiss Federal Institute of Technology (ETH). Massimo has been with the team since 2021.

Matthias Kyburz

+41 44 435 10 92 matthias.kyburz@d-one.ai

Matthias holds a B.Sc. in Business Administration from Zurich University of Applied Sciences. Prior his studies, he completed his commercial apprenticeship at SBB. In 2022, he graduated the CAS HR-Marketing at Zurich University of Applied Sciences. At D ONE, Matthias is part of the administration team. He has been with the team since 2018.

Meret Ringwald

+41 44 435 10 10 meret.ringwald@d-one.ai

Meret holds a B.Sc. and a M.Sc. in Biology from the Swiss Federal Institute of Technology (ETH) in Zurich. Before joining D ONE, she worked as a Research Assistant at ETH Zurich. Meret has been with the team since 2021.

Mia-Angelica Kivinen

+41 44 435 10 10 miaangelica.kivinen@d-one.ai

Mia holds an M.Sc. in Computer and Systems Engineering from Tallinn University. She has been working as a data warehouse analyst, data warehouse developer and recently as a data engineering consultant serving customers internationally for the last 10+ years. Mia has been with the team since 2020.

Michalis Kalligas

+41 44 435 10 10 michalis.kalligas@d-one.ai

Michalis received his MSc in Business Analytics and his BSc in Accounting & Finance from the Athens University of Economics and Business. Before joining D ONE, he worked for Ernst & Young as a Consultant in the field of International Tax and Transaction Services and as a Data Analyst for Wikifarmer, a Greek fast-growing agricultural marketplace with global presence. Michalis has been with the team since 2023.

Dr. Moritz Haag

+41 44 435 10 10 moritz.haag@d-one.ai

Moritz holds a PhD in Computational/Theoretical Chemistry and a M.Sc. in Interdisciplinary Sciences from the Swiss Federal Institute of Technology (ETH Zurich). He also holds a B.Sc. in Chemistry and Biochemistry from the University in Munich. Moritz joined the team in 2022.

Dr. Nabil Belaid

+41 44 435 10 10 nabil.belaid@d-one.ai

Nabil received his Ph.D. in Computer Science and Applications from the National School of Mechanics and Aeronautics (ENSMA) in France in 2011 and a Master degree from the University of Poitiers in France in 2007. Before joining D ONE, Nabil worked as a Data Scientist and Software Developer. Nabil has been with the team since 2021.

Natalia Steenbock

+41 44 435 10 23 natalia.steenbock@d-one.ai

Natalia received her M.Sc. in Management, Technology and Economics from Swiss Federal Institute of Technology (ETH Zurich) in 2015. She also holds a B.Sc. in Electrical Engineering and Information Technology. After finishing her studies, Natalia has worked for various companies in Switzerland, including a leading swiss financial institution and a management consulting firm. Natalia has been in the team since 2020 and is leading a business unit.

Nicola Hefti

+41 44 435 10 08 nicola.hefti@d-one.ai

Nicola is a software engineer and data analytics specialist. His areas of expertise are software development, data visualisation and data warehousing. Nicola has been with the team since 2015.

Nicola Reggiori

+41 44 435 10 18 nicola.reggiori@d-one.ai

Nicola graduated with a degree in telecom engineering from Fribourg University of Applied Science in 2003. Post-graduation program at Northeastern University in Boston. His areas of expertise are data warehousing and reporting. Nicola has been in the team since 2007.

Nikkitha Ramesh

+41 44 435 10 10 nikkitha.ramesh@d-one.ai

Nikkitha graduated with a Bachelor of Engineering degree in Computer Science from VTU, India in 2017. Prior to joining D ONE, she worked in a Swiss bank in the Enterprise Platform and Asset Management verticals with main focus on Databases, Data Engineering, Azure and BI tools. Nikkitha has been with the team since 2021.

Nikolaos Anagnostopoulos

+41 44 435 10 10 nikos.anagnostopoulos@d-one.ai

Nikolaos received his MSc in Statistics from the Athens University of Economics and Business. He is an enthusiastic data scientist with an advanced theoretical and practical background. Before joining D ONE, he worked as a Data Scientist in the field of Insurance and as a Credit Risk Data Scientist in EY. Nikolaos has been with the team since 2023.

Nikolaos Lekkas

+41 44 435 10 10 nikolaos.lekkas@d-one.ai

Nikolaos holds a B.Sc. in Electronic Engineering, a M.Sc. in Automation and Control Engineering from University of Florence and a M.Sc. in Management, Technology and Economics from ETH Zurich. Before joining D ONE, he worked as a Cloud Finance Transformation Consultant for Deloitte. Nikolaos has been with the team since 2021.

Nikolaos Rodis

+41 44 435 10 10 nikos.rodis@d-one.ai

Nikolaos holds an MSc in Statistics from the Athens University of Economics and Business and a BSc in Mathematics from the University of Patras. Before joining D ONE, he worked as a Data Science Analyst in the field of Business Management Consultants where he contributed to a range of Data Science and Data Engineering projects while he also has research experience in the field of eXplainable AI.

Nikolaos Varythymiadis

+41 435 10 10 nikolaos.varythymiadis@d-one.ai

Nikolaos holds an M.Sc. in Telecommunication Systems and Network Technologies as well as a B.Sc. in Informatics and Telecommunications from the National and Kapodistrian University of Athens. Nikolaos is a true technology enthusiast with an entrepreneurial mindset, who specializes in Analysis and Management. Before joining D ONE, he was the Head of Information Technology and Communications for a shipping company, and prior to that, he was the man in charge of Business Intelligence in a shipping group. Nikolaos has been with the team since 2022.

Nino Weingart

+41 44 435 10 10 nino.weingart@d-one.ai

Nino holds an M.Sc. and B.Sc. in Computer Science from Swiss Federal Institute of Technology (ETH). Before joining D ONE, Nino worked as a Software and Machine Learning Engineer in Switzerland. Nino has been with the team since 2021.

Nithya Shetty

+41 44 435 10 10 nithya.shetty@d-one.ai

Nithya holds a Bachelor Degree in Computer Science. His areas of expertise are data modelling, design and implementation of ETL processes and reporting. Nithya has been with the team since 2018.

Noé Fischer

+41 44 435 10 10 noe.fischer@d-one.ai

Noé holds an M.Sc. in Management from HEC Lausanne in 2018 and a B.Sc. in Communications, Business Administration, and Economics from the University of Fribourg, Switzerland. Before joining D ONE, he worked as an Analytics Manager at Sony Music Entertainment Switzerland and as a Data Scientist Intern at eBay. Noé has been with the team since 2022.

Orfeas Tsartsianidis

+41 44 435 10 10 orfeas.tsartsianidis@d-one.ai

Orfeas graduated with a B.Sc. in Informatics from the Aristotle University of Thessaloniki. His areas of expertise are building pipelines and developing machine learning models. Orfeas has been with the team since 2023.

Panagiotis Goumenakis

+41 44 435 10 10 panagiotis.goumenakis@d-one.ai

Panagiotis received his Master of Science in Big Data and Analytics from the University of Piraeus and his BSc in Mathematics from University of Surrey. Before joining D ONE, he was employed as a ML Engineer for a European cloud-based Neobank and also as a R&D Engineer in the sector of Maritime Software Solutions.

Pantelis Liopyris

+41 44 435 10 10 pantelis.liopyris@d-one.ai

Pantelis received his B.Sc. in Computer Science from the Athens University of Economics & Business. His main industry expertise lies within the Banking and Insurance sectors, gained by engaging multiple IT projects in diverse domains like Core Banking and Data Warehousing. He has extensive experience in the fields of system & business analysis, design, implementation and SIT/UAT testing. Pantelis has been with the team since 2022.

Patrick Buck

+41 44 435 10 12 patrick.buck@d-one.ai

Patrick holds an M.Sc. in Electrical Engineering and Information Science from the Swiss Federal Institute of Technology (ETH Zurich). Prior to D ONE, he was with Microsoft Switzerland where he led the Data and AI sales unit. Patrick is managing director and leading one of the business units of D ONE.

Petra Scala

+41 44 435 10 10 petra.scala@d-one.ai

Petra holds a CAS in Communication and Impact Measurement in NPOs and an NDS HF in Corporate Management. Before joining D ONE, she worked as a Marketing Leader and Project Manager for Switzerlands official organisation for export and investment promotion. At D ONE Petra is part of the administration team. She has been with the team since 2023.

Dr. Philipp Thomann

+41 44 435 10 24 philipp.thomann@d-one.ai

Philipp received his Ph.D. in Mathematics from the University of Zurich in 2013. Afterwards he served as a postdoctoral researcher at the University of Stuttgart, Germany. His areas of expertise are machine learning, natural language processing, search and distributed computation. Philipp has been in the team since 2017.

Dr. Philipp Warmer

+41 44 435 10 10 philipp.warmer@d-one.ai

Philipp received his Dr. sc. in Systems Biology from the Swiss Federal Institute of Technology (ETH) in Zurich. He also holds a M.Sc. in Bioinformatics and a B.Sc. in Focus Technology. Philipp has been with the team since 2021.

Ramon Braunwarth

+41 44 435 10 87 ramon.braunwarth@d-one.ai

Ramon received his M.Sc. in Math from Swiss Federal Institute of Technology (ETH Zurich) in 2019. The topic of his master thesis was: "On approximation methods for high-dimensional functions: Reinforcement learning and multilevel Picard". During his studies he was active as tutoring coach supporting students to improve their Math & Physics skills. Ramon has been in the team since 2020.

Robert Yousif

+41 44 435 10 10 robert.yousif@d-one.ai

Robert holds a B.Sc. in Mechanical Engineering and a M.Sc. in Mechatronics from KTH Royal Institute of Technology in Stockholm. Before joining D ONE, he was working as a data & software engineer for KPMG in Stockholm. Robert has been with the team since 2021.

Ruben Wolff

+41 44 435 10 10 ruben.wolff@d-one.ai

Ruben graduated with a Master in Computer Science from the Swiss Federal Institute of Technology (ETH Zurich) in 2015 and also holds a Bachelor of Science in Computer Science with Magna Cum Laude from University of Texas in Dallas, USA. His areas of expertise are data engineering and machine learning.

Samuel von Baussnern

+41 44 435 10 10 samuel.vonbaussnern@d-one.ai

Samuel holds a B.Sc. in Neuroinformatics from the University of Zurich (UZH) and a M.Sc. in Computer Science from EPFL. Before joining D ONE, he worked as a Machine Learning Engineer, Software Engineer and Data Scientist at various Startups. Samuel has been with the team since 2021.

Dr. Santiago Padron

+41 44 435 10 10 santiago.padron@d-one.ai

Santiago holds a P.hD. & M.Sc. in Aeronautics & Astronautics from Stanford University in California, USA. Before joining D ONE he has been working as data scientist and ML specialist for startups in California in areas of healthcare and autonomous vehicles. Santiago has been with the team since 2020.

Sebastian Baumhauer

+41 44 435 10 97 sebastian.baumhauer@d-one.ai

Sebastian graduated with a Master in Management, Technology and Economics from Swiss Federal Institute of Technology (ETH Zurich) in 2012 and also holds a B.Sc. in Electrical Engineering and Information Technology. His areas of expertise are data analytics and visualization. Sebastian has been in the team since 2016.

Severin Tschui

+41 44 435 10 10 severin.tschui@d-one.ai

Severin holds a B.Sc. and M.Sc. in Physics from Swiss Federal Institute of Technology (ETH). Parallel to his studies, he worked as a full stack developer, where he implemented various functionalities including automation and optimization for a web application. Severin joined the team in 2022.

Shiva Farghar

+41 44 435 10 10 shiva.farghar@d-one.ai

Shiva received her M.Sc in Physics from the University of Zurich. She is a physicist with specialisation in theoretical astrophysics and cosmology and has a passion for data science, technology and programming. Before joining D ONE, she worked as a Teaching Assistant of Physics in the University of Zurich. Shiva has been with the team since 2022.

Dr. Shyam Chikatamarla

+41 44 435 10 10 shyam.chikatamarla@d-one.ai

Shyam Chikatamarla obtained his Ph.D. in statistical physics from ETH Zurich in 2008. He was awarded the ETH Medal for outstanding PhD thesis. He has 8 years of research experience at ETH Zurich as a senior scientist in the field of computational physics. His specializations include high performance computing, handling large datasets and Machine Learning algorithms. He has worked in the retail industry for three years as a Data Scientist before joining D ONE in 2021.

Dr. Simon Hefti

+41 44 435 10 00 simon.hefti@d-one.ai

Simon received his Ph.D. in physics from University of Berne in 1997. Afterwards, he held a research position at the University of Michigan. His areas of expertise are enterprise architecture, data architecture and strategy. Simon is co-founder of D ONE and chairman of the board of directors.

Simone Totino

+41 44 435 10 10 simone.totino@d-one.ai

Simone received his joint M.Sc. in Sustainable Energy Engineering from KTH Stockholm and UPC Barcelona and his B.Sc. in Environmental Engineering from the University of Applied Sciences, Bremen. Prior to joining D ONE, he worked as management consultant and data analyst. Simone has been with the team since 2022.

Slawomir Zakrzewski

+41 44 435 10 10 slawomir.zakrzewski@d-one.ai

Slawomir received his Master of Science in Engineering from the Warsaw University of Technology. Before joining D ONE, he worked as a Lead Consultant at Lingaro in Warsaw. Slawomir has been with the team since 2021.

Spyros Cavadias

+41 44 435 10 10 spyros.cavadias@d-one.ai

Spyros received his M.Sc. in Artificial Intelligence from the Katholieke Universiteit Leuven in Belgium. He also holds a M.Sc. in Electrical and Computer Engineering from the National Technical University of Athens in Greece. He has worked for IQVIA as a Business Intelligence Analyst and for IMEC as a Machine Learning Engineer, where he worked on tinyML applications for Edge AI devices. Spyros has been with the team since 2020.

Dr. Stamatis Stefanakos

+41 44 435 10 03 stamatis.stefanakos@d-one.ai

Stamatis holds a Ph.D. in Theoretical Computer Science from the Swiss Federal Institute of Technology (ETH Zurich) and a Diploma in Computer Engineering and Informatics from University of Patras. Stamatis is managing director of D ONE leading one of our business units in Switzerland and our consulting hub in Greece.

Stepan Gaponiuk

+41 44 435 10 10 stepan.gaponiuk@d-one.ai

Stepan holds a Specialist Degree in Mathematical Methods in Economics from Saint Petersburg State University of Aerospace and Instrumentation. He has been working as a business analyst, BI and ETL Developer and Scrum Master in the past. Before joining D ONE, he worked as a BI Developer at Nordea and a consultant at Accenture. Stepan has been with the team since 2022.

Stephen Quinn

+41 44 435 10 10 stephen.quinn@d-one.ai

Stephen received his M.Sc. in Data Science & Analytics from Munster Technological University and his M.Sc. in Analytical Chemistry from University College Cork. He has significant experience as an Analytical and Chemical Scientist, across leading multinational companies in the Pharmaceutical field. Stephen has been with the team since 2022.

Thanos Gkinakos

+41 44 435 10 10 thanos.gkinakos@d-one.ai

Thanos holds an M.Sc. from the National Technical University of Athens in Electrical and Computer Engineering and an M.Sc. in Business Analytics from Athens University of Economics and Business. Before joining D ONE, he worked as a Senior Data & Analytics Consultant at Ernst & Young in Athens. Thanos has been with the team since 2021 and is leading one of our business units in Athens.

Thanos Karousos

+41 44 435 10 10 thanos.karousos@d-one.ai

Thanos is currently doing his masters degree in Computer Engineering and Informatics in Greece until 2022. Before joining D ONE, he did an internship as a Cloud Developer at Citrix. Thanos has been with the team since 2021.

Thanos Spinoulas

+41 44 435 10 10 thanos.spinoulas@d-one.ai

Thanos received his Master of Science in Business Analytics from the Athens University of Economics and Business and his Master of Science in Applied Mathematical Sciences and BSc in Mathematics from the National Technical University of Athens. He is an experienced Data Scientist and Senior Data Analyst in the fields of Cloud Computing and Big Data Services.

Dr. Timo Welti

+41 44 435 10 10 timo.welti@d-one.ai

Timo received his PhD in Applied Mathematics from ETH Zürich. During his PhD he worked on the foundations of deep learning and completed research stays at the universities of Oxford and Vienna. His areas of expertise include data analytics, machine learning, project management and data visualisation. Timo has been with the team since 2020.

Tristan Stampfler

+41 44 435 10 10 tristan.stampfler@d-one.ai

Tristan received his Master of Data Science from ETH Zürich and his Master of Science from Ecole polytechnique, Paris. Before joining D ONE, he worked as a Business Analyst Intern at McKinsey & Company in Paris and also had experience at big tech companies like IBM. His areas of focus are: machine learning, analytics and strategy. Tristan has been with the team since 2022.

Dr. Vito Zanotelli

+41 44 435 10 10 vito.zanotelli@d-one.ai

Vito received his Ph.D. in Systems Biology from University of Zurich. He also holds a M.Sc. in Systems Biology and a B.Sc. in Biology from ETH Zurich. Before joining D ONE, he was working as an intern in R&D of a biotechnology company to generate and analyze large scale datasets. Vito has been with the team since 2020.

Management

Hans Peter Gränicher

+41 44 435 10 11 hanspeter.graenicher@d-one.ai

Dr. Simon Hefti

+41 44 435 10 00 simon.hefti@d-one.ai

Simon received his PhD in physics from University of Berne in 1997. Afterwards, he held a research position at the University of Michigan. His areas of expertise are enterprise architecture, data architecture and strategy. Simon is co-founder of D ONE and chairman of the board of directors.

Dr. Stamatis Stefanakos

+41 44 435 10 03 stamatis.stefanakos@d-one.ai

Stamatis holds a PhD in Theoretical Computer Science from the Swiss Federal Institute of Technology (ETH Zurich) and a Diploma in Computer Engineering and Informatics from University of Patras. Stamatis is managing director of D ONE leading one of our business units in Switzerland and our consulting hub in Greece.

Patrick Buck

+41 44 435 10 12 patrick.buck@d-one.ai

Patrick holds an MSc in Electrical Engineering and Information Science from the Swiss Federal Institute of Technology (ETH Zurich). Prior to D ONE, he was with Microsoft Switzerland where he led the Data and AI sales unit. Patrick is managing director and leading one of the business units of D ONE.

Christian Erni

+41 44 435 10 91 christian.erni@d-one.ai

Dominique Im Obersteg

+41 44 435 10 10 dominique.imobersteg@d-one.ai

Board of Directors

Dr. Simon Hefti

+41 44 435 10 00 simon.hefti@d-one.ai

Dr. Andrej Vckovski

+41 44 247 79 05 andrej.vckovski@d-one.ai

Andrej earned his doctorate at the University of Zurich after studying physics at the Swiss Federal Institute of Technology. He co-founded Netcetera in 1996 and is the group's CEO. He is in the board of directors of D ONE since 2006.

Hans Peter Gränicher

+41 44 435 10 11 hanspeter.graenicher@d-one.ai

Mike Franz

+41 44 297 59 08 mike.franz@d-one.ai

Mike studied electrical engineering at the Swiss Federal Institute of Technology (ETH Zurich). He is a co-founder of Netcetera and sits in its board of directors. He is a member of the board of directors of D ONE since 2014.

Dr. Philipp Vetter

+41 44 435 10 94 philipp.vetter@d-one.ai

Philipp earned his PhD in computational neuroscience from University College London following his studies at the Swiss Federal Institute of Technology in Zurich. He acts as an executive, non-executive and advisor in companies at the intersection of health and information technology. Previously, he was Director of Strategy for the Health Authority Abu Dhabi and Associate Principal with McKinsey in London. Philipp is in the board of directors of D ONE since 2018.