Tue, 03/07/2023 - 10:00 Tech Insider Ken Griffin, Founder and CEO, Citadel, speaks during the Milken Institute's 22nd annual Global Conference in Beverly Hills, California, U.S., April 30, 2019.Mike Blake/Reuters Tags Markets, MI Exclusive, Ken Griffin, Citadel, hedge fund, finance, money manager, Institutional Investor, Hedge Funds, Earnings, Banks, Wall Street Source Citadel boss Ken Griffin made $4.1 billion last year, the most of any hedge fun…