Title: Online Learning Algorithms at Scale: Applications to Search and Sponsored Search Speaker Profile --------------- Rahul Agrawal is a Principal Researcher leading a team of applied scientists in Microsoft India R&D Private Limited Bangalore, India, where he primarily works in the domain of large scale machine learning to understand user intent and show relevant ads on Bing. Prior to this, he was with Yahoo Labs, where he was involved in click prediction models for display advertising. He has completed his Masters in Computer Science from IISc Bangalore in 2004. His research interests are in the areas of large scale machine learning, information retrieval, spectral graph clustering and text mining.