I am a senior researcher at Microsoft Research in the CLUES group. I’m broadly interested in using social data to help people find what they want and need; and to this end my work drives towards the goal of extracting from social media useful models of how people behave in the world — people’s actions in the world, people’s interactions with each other, and the consequences of people’s decisions. There are three questions I’m addressing with my research: Foundations and infrastructure for better social media analysis: I’m building tools and frameworks to make it easier and faster for people to deeply analyze and explore social media. Connecting social media to the real-world: To interpret social media, I work on entity linking and study the systematic biases inherent in social media’s reflection of the world. Social systems engineering: I’m studying how the affordances and incentives provided by social systems affect the kinds of information we find in social media. My previous research interests include JavaScript application monitoring and optimization, as well as improving the reliability of Internet services architectures and operations. I received my Ph.D. and my M.S. from Stanford University, and my B.S. in Electrical Engineering and Computer Science from U.C. Berkeley.