Stefan Köstler

Stefan Kaehler is a seasoned professional in data engineering and analytics, currently serving as the Senior Data Engineering and Analytics Manager at Amazon, where Stefan leads the Data team for Alexa Comms. With experience ranging from mitigating significant compliance risks at Amazon to leading the Data Warehouse implementation at Convoy Inc., Stefan has consistently demonstrated expertise in data compliance and product insights. Previous roles include Data Scientist II at Microsoft, where Stefan launched impactful analytics tools and mentored peers, and various finance-related positions at Microsoft and Goldman Sachs, showcasing a strong foundation in economic analysis and strategic budget management. Education includes a Bachelor of Arts in Economics and International Studies from the University of Washington and study abroad at East China Normal University.