Ralf Herbrich leads a diverse range of departments and initiatives that have, at their core, research in the area of artificial intelligence (AI), spanning data science, machine learning and economics. Ralf’s teams apply and advance the science in many established scientific fields including computer vision, natural language processing, data science and economics. Ralf joined Zalando SE as SVP Data Science and Machine Learning in January 2020. Previously, he served as 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. Prior to these roles, he led Facebook’s Unified Ranking and Allocation team in 2011. From 2000 to 2011, he served as Director of Microsoft's Future Social Experiences (FUSE) Lab UK and worked for nine years at Microsoft Research Lab in Cambridge, UK. Ralf has published over 80 peer-reviewed papers and holds over 40 patents. He obtained a Ph.D. in Statistics from Technical University of Berlin in 2000 and his Diploma in Computer Science from the same institution in 1997. His research interests include Bayesian inference and decision making, natural language processing, computer vision, learning theory, robotics, distributed systems and programming languages. Ralf is one of the inventors of the Drivatars™ system in the Forza Motorsport series as well as the TrueSkill™ ranking and matchmaking system in Xbox Live.