Ken Griffin, Citadel at CNBC's Delivering Alpha, Sept. 28, 2022.Scott Mlyn | CNBCCitadel's billionaire CEO, Ken Griffin, is one of Wall Street's biggest...
(L-R) Ninety-four-year-old activist and retired educator Opal Lee, known as the Grandmother of Juneteenth, speaks with U.S. President Joe Biden after he signed...