Griffin's hedge fund, Citadel, recently announced updated plans for its proposed multibillion-dollar development in Brickell.

NEW YORK, NY— Mayor Zohran Mamdani has recently tried to open communication with Citadel CEO Ken Griffin, but the billionaire hedge fund executive has not responded, according to reports from NBC.

New York City Mayor Zohran Mamdani said Friday he has attempted to meet with billionaire Citadel CEO Ken Griffin after the hedge fund executive blasted the mayor’s viral "Tax the Rich" video targeting ...

WSJ Editor-in-Chief Emma Tucker interviews American billionaire and Citadel CEO Ken Griffin from WSJ Invest Live in West Palm ...