#8 Leon Black $5.4 billion
Leon Black is an American entrepreneur who has a net worth of $5.4 billion. Son of a prominent Jewish businessman Eli M. Black who owned the United Brand Company, Black started his career as Managing Director, Head of the Mergers & Acquisitions Group, and co-head of the Corporate Finance Department at Drexel Burnham Lambert Incorporated, a famous investment bank. He is also a trustee of Mt. Sinai Hospital, The Asia Society, The Museum of Modern Art, and The Metropolitan Museum of Art.
#7 Ken Griffin $5.6 billion
Ken Griffin is an American entrepreneur. Born in Daytona Beach, Florida, Ken Griffin went on to graduate from Harvard University. He began trading while in college, and had amassed a million dollars by the time he graduated. He launched his own hedge fund company, Citadel LLC, in 1990. In addition to his hedge fund work, he is also a major art collector, and sits on multiple philanthropic boards. He also runs his own foundation, Citadel Group Foundation. He currently lives in Chicago, Illinois.