Ken Griffin

Kenneth Cordele Griffin is an American billionaire hedge fund manager, and philanthropist. He is the founder and chief executive of the global investment firm Citadel, founded in 1990. 

• Ken Griffin founded and runs Citadel, a Chicago-based hedge fund firm that manages $32 billion in assets.
• He founded Citadel in 1990 but first began trading from his Harvard dorm in 1987. He put a satellite dish on the roof to get real-time stock quotes.
• He is majority owner of Citadel Securities, one of Wall Street’s biggest market-making firms, responsible for one of five stock trades in the U.S.
• He has donated approximately $900 million in his lifetime, including $300 million to nonprofits in Chicago.
• Griffin has spent $700 million in recent years, snapping up high-priced homes in cities like London, New York and Palm Beach.