I am leading the group on Artificial Intelligence and Sustainability at the Hasso-Plattner Institute in Potsdam since May 2022. Previously, I served as Senior Vice President, Builder Platform & Artificial Intelligence at Zalando (2020 – 2022), Managing Director of the Amazon Development Center in Germany with its locations in Berlin, Dresden, Aachen and Tübingen and was Director of Machine Learning at Amazon in Berlin from (2013 – 2020). Prior to these roles at Amazon, I led Facebook’s Unified Ranking and Allocation team in 2011. From 2000 to 2011, I served as Director of Microsoft's Future Social Experiences (FUSE) Lab UK and worked for nine years at Microsoft Research Lab in Cambridge, UK.