Senior Consultant

Klemens holds a Master’s degree in Physics from the University of Vienna, where he graduated with honors, achieved a near-perfect GPA of 1.05, and was named to the Dean's List. He is an accomplished data engineer with more than 6 years of experience building robust, cloud-based data platforms, complex ETL pipelines, and analytical data models. Prior to joining D ONE, he worked as a Senior Data Engineer, directing the implementation of scalable analytical data platforms on Databricks/AWS and building central data hubs to establish a single source of truth for enterprise clients. Earlier in his career, he focused on real-time stream processing, batch ETL pipelines, and high-performance data modeling across the banking, automotive, and insurance industries. Klemens joined D ONE in 2026.