Billionaire Ken Griffin speaks to students during an assembly at Booker T. Washington Senior High School on Tuesday, Feb. 24, 2026, in Miami, Florida. Carl Juste cjuste@miamiherald.com Ken Griffin, ...

There is no clearer example of what happens when billionaire Ken Griffin turns on a city than Chicago, a blueprint now playing out in New York. The Citadel founder is clashing with New York City Mayor ...

Billionaire Ken Griffin says being New York City Mayor Zohran Mamdani's poster boy for a tax-the-rich campaign put his life in danger. Mamdani began taking on Griffin during his campaign for mayor. To ...

Last month, New York City Mayor Zohran Mamdani celebrated Tax Day by making good on a campaign promise. “When I ran for mayor, I said I was going to tax the rich,” Mamdani said in a viral video posted ...

Ken Griffin has picked up a second original first printing of the U.S. Constitution and is sending it straight to Lower Manhattan, where the document will go on public display later this month. The ...

A billionaire has responded after Mayor Zohran Mamdani announced his plans to tax the rich — right in front of his luxury penthouse. In a social video from earlier this month, Mamdani unveiled the new ...

Learn about the public screening of Ken Burns-American Revolution at Westmoreland Museum of Art. WQED and the Westmoreland Museum of Art hosted a public screening of previews of Ken Burns-American ...

In a social media video filmed outside Ken Griffin's residence, New York City Mayor Zohran Mamdani unveiled a new pied-à-terre tax. Citadel denounced the mayor's move with Chief Operating Officer ...

Citadel CEO Ken Griffin is a Republican who has been outspokenly critical of some of President Trump’s policies. In February, Griffin sat down with Editor in Chief Emma Tucker. Photo: Uncredited ...

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