Tyler Howard Winklevoss born August 21 1981 is an American investor founder of Winklevoss Capital Management and Gemini cryptocurrency exchange and Olympic rower Winklevoss cofounded HarvardConnection later renamed ConnectU along with his brother Cameron Winklevoss and a Harvard classmate of theirs Divya Narendra In 2004 the Winklevoss brothers sued Mark Zuckerberg claiming he stole their ConnectU idea to create the social networking service site Facebook As a rower Winklevoss competed in the mens pair rowing event at the 2008 Summer Olympics with his identical twin brother and rowing partner Cameron