Mr. Richard Costolo is an Angel Investor. Richard Costolo was a Co-Founder & served as the Chief Executive Officer at Chorus Fitness. He serves as Board Member at IfOnly. He is an Advisor of Keyo Apartment. He serves as a Mentor at Index Ventures. He is also a Co-Founder and Chief Executive of a startup that is reimagining the path to personal fitness. He was most recently Chief Executive of Twitter from 2010 to 2015. Prior to joining Twitter, Dick co-founded and ran three startups, including FeedBurner, which sold to Google in 2007. The former improv comedian has been a consultant on HBO's "Silicon Valley" and currently sits on the boards of Patreon and IfOnly. He holds a B.S. in Computer Science from the University of Michigan, Ann Arbor as well as an honorary Doctor of Laws degree.