I am a Senior Researcher in the Theory group of Microsoft Research Asia. My main research interests include social and information networks, online learning, algorithmic game theory, Internet economics, distributed computing, and fault tolerance. I have been serving on the PCs or Senior PCs of the top data mining and database conferences, such as KDD, WSDM, WWW, SDM, SIGMOD, ICDE, etc. I am a member of the Big Data Task Force of Chinese Computer Federation.