Richard Costolo is a co-founder and co-managing partner at 01 Advisors. is an angel investor. Richard Costolo co-founded and served as CEO of Chorus Fitness. He is a member of the board of directors of IfOnly. He has served as an advisor at Keyo Apartment. He is a mentor at Index Ventures. He is also co-founder and CEO of a startup that is redefining the path to personal fitness. He served as CEO of Twitter from 2010 to 2015. He is a member of Patreon's board of directors. Before joining Twitter, Dick co-founded and led three startups, including FeedBurner, which was sold to Google in 2007. The former improv comedian was a consultant on the HBO series "Silicon Valley" and currently serves on the board of directors of IfOnly. He holds a bachelor's degree in computer science from the University of Michigan in Ann Arbor and an honorary doctorate in law.