Just months after calling artificial intelligence “garbage,” Citadel CEO Ken Griffin is now warning that the technology will ...

Hedge fund billionaire Ken Griffin was one of the most prominent AI skeptics. Now he's had a change of heart, calling it ...

The capitalist is ghosting the socialist. Mayor Zohran Mamdani has reached out to billionaire Ken Griffin after furious ...

Mayor Zohran Mamdani has made recent efforts to reach out to Citadel CEO Ken Griffin, according to several sources, but the ...

Citadel founder and CEO Ken Griffin expressed both alarm and optimism about how quickly artificial intelligence has advanced, ...

President Donald Trump defended Citadel CEO Ken Griffin after a public spat with Mayor Zohran Mamdani in which he claimed the ...

Zohran Mamdani and Ken Griffin's feud is continuing after the billionaire was included in the mayor's video last month.

Wall Street is the city’s economic engine–and they won’t let the young mayor forget.

Billionaire Ken Griffin's clash with NYC Mayor Zohran Mamdani over wealth taxes mirrors the tensions that preceded Citadel's ...

President Trump urged New York City Mayor Zohran Mamdani to “cherish” billionaires like Ken Griffin after the Citadel CEO ...

Billionaire Ken Griffin reaffirmed Citadel's move to Miami at the Milken Conference, citing his feud with NYC Mayor Zohran ...

Dimon said that higher taxes on banks in the UK could cause him to "reconsider" plans for his new building in London.