Joe Blitzstein teaches the popular statistics class Stat 110, which provides a comprehensive introduction to probability as a medium to understand statistics, science, risk, and randomness. It has grown to over 300 students per year at Harvard and over 200,000 subscribers on iTunes U. His main research interests are in statistical inference for complex networks, with applications to social science and public health. Personally, he enjoys playing chess and is ranked in the Expert range by the US Chess Federation (the 98th percentile of all tournament players), and is the faculty adviser for the Harvard Chess Club.