Via Wikipedia:
Suhail R. Rizvi is co-founder and Chief Investment Officer of Rizvi Traverse Management LLC. He has a Bachelor of Science in Economics from the Wharton School of the University of Pennsylvania and sits on the Wharton Undergraduate Executive Board.
A venture capitalist, his investments include Twitter, Facebook, Flipboard and Square.
Due to his large stake in Twitter, both personally and for other investors, he was the subject of media scrutiny at the time of Twitter's IPO; he is notoriously private. Along with social media, Rizvi has invested in telecommunications and entertainment.
In April 2007, Rizvi Traverse acquired an equity ownership stake in Summit Entertainment, the studio behind the successful “Twilight” series. In January 2012, Lions Gate announced that it had acquired Summit Entertainment for $412.5 million.
In 2005, his firm acquired controlling interest in International Creative Management, but sold its stake. After management problems with the Hollywood talent agency, Rizvi Traverse Management exchanged its equity, "for a combination of cash, preferred non-voting shares and an ongoing interest in certain assets of the company. The firm also helped Hugh Hefner buy back Playboy Enterprises in 2011.