|University of California, Berkeley, Bachelor||1985|
|Mathematics, Computer Science|
|Harvard University, PhD||1989|
Professor of Computer and Information Science at the University of Pennsylvania. Secondary appointments in the Wharton School, departments of Statistics and Operations and Information Management.
Current and past advisor to a number of technology startups, including Yodle, Wealthfront, Convertro, Root Metrics, Invite Media, siteadvisor and others.
Occasional angel investor, including in Coursekit, Hunch, and others.