Ken Griffin is an American hedge fund manager and the founder of Citadel LLC, a global financial institution that manages investments across various asset classes. Born on October 15, 1968, in Daytona Beach, Florida, he graduated from Harvard University in 1989. Griffin is known for his expertise in quantitative trading and has played a significant role in shaping the hedge fund industry. In addition to his work in finance, Griffin is also recognized for his philanthropic efforts. He has donated substantial amounts to various causes, including education and the arts. His contributions have made a notable impact on institutions such as The Art Institute of Chicago and Harvard University.