Ralf Herbrich is heading the Bing Personalization team which focuses on prototyping and enabling personalized experiences across Microsoft's Online Services Division.

Ralf joined Microsoft Research in 2000 as a Postdoctoral Researcher and Research Fellow of the Darwin College Cambridge. During his time at Microsoft Research, he was co-leading the Applied Games group which engaged in research at the intersection of machine learning and computer games and the Online Services and Advertising research group which conducts research in the areas of online services, search and online advertising combining insights from machine learning, information retrieval, game theory, artificial intelligence and social network analysis.

From 2009 to 2011, Ralf was Director of Microsoft's Future Social Experiences (FUSE) Lab UK demonstrating and enabling new social experiences through development of computational intelligence technologies on large online data collections, for example Project Emporia. 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 360 Live. He also co-invented the click-prediction technology used in Bing's online advertising system.