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Stefan Kaehler is a seasoned data engineering and analytics professional currently serving as the Senior Data Engineering and Analytics Manager at Amazon, where Stefan leads the interdisciplinary team for Alexa Comms. Prior to this role, Stefan held positions within Amazon, including Sr Data Engineering Manager and Sr Data Lead, where significant contributions included mitigating compliance risks valued between $46M and $417M and improving compliance systems across the organization. With a diverse background at Microsoft as a Data Scientist II and in various roles including Revenue and Finance Manager, Stefan has also demonstrated expertise in budget management and operational efficiency. Previous experience includes positions at Convoy Inc, Simplicity Consulting, Goldman Sachs, Apple, and Lowe's Home Improvement, supported by extensive education in Economics and International Studies from the University of Washington and study abroad at East China Normal University.