Dick Costolo is a Managing Partner and Co-Founder at 01 Advisors, a role he has held since 2016. His career spans leadership positions in prominent technology companies and entrepreneurial ventures.

Prior to his current role, Costolo served as the CEO of Twitter for six years, from August 2009 to July 2015. He was a Group Product Manager at Google, Inc. from June 2007 to June 2009, and previously held the CEO position at FeedBurner from October 2003 to May 2007. Costolo also co-founded Spyonit.