1997, graduate, University of Illinois, Urbana-Champaign. As a computer scientist, serial entrepreneur and angel investor, has extensive experience building enduring Internet companies. Latest undertaking, HVF, is focused on solving major problems and improving lives by extracting insights from the vast quantities of recordable information around us. Founded and ran Slide, an early developer of social applications and, after its acquisition by Google, served as Vice-President, Engineering, Google. Incubated and first investor in Yelp. Co-Founder and CTO, PayPal, from founding through its acquisition by eBay. Currently, Chairman of the Board of Directors: Yelp; Kaggle. Director, Evernote.