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Ken Griffin

Ken Griffin, founder and CEO of the hedge fund Citadel LLC, speaks at the Milken Institute's Global Conference.
Personal Finance
‘Grow the damn economy’: Billionaire Ken Griffin warns Trump made a mistake cutting taxes as the national debt tops past $40 trillion
By Tatiana SatauaOctober 21, 2026
Ken Griffin, chief executive officer of Citadel Advisors LLC, during the Citadel Securities conference in New York, US, on Tuesday, Oct. 20, 2026.
Economy
America’s national debt plan is ‘clearly not in order,’ says Ken Griffin. He believes part of the problem is Europeans who ‘don’t want to go to work’
By Eleanor PringleOctober 21, 2026
Ken Griffin, chief executive officer of Citadel Advisors LLC, during the Citadel Securities conference in New York, US, on Tuesday, Oct. 20, 2026.
Economy
Ken Griffin says Trump’s plan for America First was always doomed to fail: ‘Most people don’t want to live that dream’
By Eleanor PringleOctober 21, 2026
CEOs are threatening to take their jobs and their billions elsewhere. That leverage has limits
C-Suite
CEOs are threatening to take their jobs and their billions elsewhere. That leverage has limits
By Ruth UmohOctober 5, 2026
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Commentary
Ken Griffin’s $3 billion gift exemplifies Florida’s new mindset: from attracting innovation to creating it
By Michael SimasOctober 1, 2026
Ken Griffin doubles down on Miami with a record $3 billion gift to Carnegie Mellon—and plans for a campus in the city Citadel now calls home
Success
Ken Griffin doubles down on Miami with a record $3 billion gift to Carnegie Mellon—and plans for a campus in the city Citadel now calls home
By Sydney LakeSeptember 30, 2026
Photo of Mark Zuckerberg
Success
Meta billionaire Mark Zuckerberg has just bought a 196-year-old Gothic castle with 11 bedrooms in Ireland worth up to $35 million
By Emma BurleighAugust 25, 2026
After months of a public back and forth over Mamdani’s pied-à-terre tax, Ken Griffin isn’t ready to give up on New York after all
C-Suite
After months of a public back and forth over Mamdani’s pied-à-terre tax, Ken Griffin isn’t ready to give up on New York after all
By Joshua HongAugust 5, 2026
From Pochettino to MLS, the giants of American finance keep making big promises about the future of U.S. soccer
C-Suite
From Pochettino to MLS, the giants of American finance keep making big promises about the future of U.S. soccer
By Catherina GioinoAugust 4, 2026
Studio portrait of Leopold Aschenbrenner
Startups & Venture
The power couple of AI is getting married in Carmel, days after groom Leopold Aschenbrenner’s hedge fund nearly blew up
By Eva RoytburgJuly 31, 2026
Larry Page and Sergey Brin
Success
Larry Page and Sergey Brin splash $225 million in Miami property as billionaires flee California’s tax—and Google is expanding its office there too
By Emma BurleighJuly 22, 2026
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Environment
Ken Griffin says everyone is misinterpreting the AI revolution — and wishes Zohran and Bernie would ‘read a damn history book for once’
By Nick LichtenbergJuly 9, 2026
Billionaire soccer fan Ken Griffin helped engineer Team USA’s best World Cup run in 24 years. Now, he looks ‘forward to building on that momentum’
Arts & Entertainment
Billionaire soccer fan Ken Griffin helped engineer Team USA’s best World Cup run in 24 years. Now, he looks ‘forward to building on that momentum’
By Catherina GioinoJuly 8, 2026
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Future of Work
Ken Griffin celebrates America’s 250th birthday with $26 million gift for new Roosevelt Library built into the Badlands
By Nick LichtenbergJune 25, 2026
Gen Z intern speaking during meeting
Success
Ken Griffin’s Citadel companies just hired 350 interns—only 0.36% of over 115,000 young applicants made the cut
By Emma BurleighJune 11, 2026
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Health
UnitedHealthcare and Humana are ending Medicare Advantage plans for nearly 1 million peopleplaceholder alt text
By Caroline Catherman and Healthcare BrewOctober 20, 2026
Economy
United Airlines CEO—who made $32 million last year—calls for a national wealth tax and a nearly 100% inheritance tax: 'I would pay them'placeholder alt text
By Bilin LinOctober 20, 2026
Economy
No wonder the White House wants Warsh to cut: A 1% Fed rate hike costs the Treasury an extra $95 billion a year in national debt interestplaceholder alt text
By Eleanor PringleOctober 20, 2026
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