I am a Gordon McKay Professor of Computer Science at Harvard John A. Paulson School of Engineering and Applied Sciences. I am a member of the EconCS. Prior to Harvard, I spent about two years at Yahoo! In New York City. from the College of Information Sciences and Technology.

Penn CS Theory Research Group. Focus on a broad array of research areas in theoretical computer science. The CS Theory Research Group has active projects spanning the domains of algorithms, combinatorial optimization, complexity theory, machine learning, algorithmic game theory, communication complexity, cryptography, and coding theory. The Networked and Social Systems Engineering.