Greg Badros earned bachelor’s degrees in Mathematics and Computer Science from Duke University. He started graduate school and earned his master’s and doctoral degrees in Computer Science and Engineering from the University of Washington in Seattle. His Ph.D. work on the Cassowary Constraint Solving algorithm is now an integral part of Apple’s OS X (starting with 10.7 Lion) and iOS. Since then, he worked at Google for over six years where he was a Sr. Director of Engineering, having led AdSense from 2004-2007 and then the Gmail+ and Google Apps teams from 2007-2009. From mid 2009 to October 2013, Greg worked at Facebook where he was VP Engineering & Products and led numerous teams including Ads, Search, Photos, Messages, Growth, Data Infrastructure and Data Science. After his nearly 4.5 years at Facebook, he founded Prepared Mind Innovations and now acts as an advisor to several startup companies and builds prototypes himself.