An internal company memo revealed the person is a neurologist who previously worked at Morgan Stanley and is a Harvard grad.

Billionaire hedge fund manager Ken Griffin added two of the most iconic artifacts in American history to his growing ...

The stock market has proven resilient in the face of President Donald Trump's aggressive trade war and conflict in the Middle ...

Zohran Mamdani wants Ken Griffin to pay more tax on his Central Park penthouse. We break down what it means for homeowners ...

Citadel's Ken Griffin breaks Sotheby's record with bids for two Civil War-era documents. Crain’s Laura Turbay discusses with ...

Billionaire developer and Palm Beach resident Ken Griffin's most recent purchases include rare copies of the Emancipation ...

The hedge fund billionaire, who voted for Trump, said the Republicans’ “Big Beautiful Bill” “will unquestionably add several ...

A summer reading list for young entrepreneurs and those early in their careers, recommended by business leaders like Bill ...

Griffin reportedly plans to lend his copies of the Thirteenth Amendment and the Emancipation Proclamation to a US institution ...

As traditional financial institutions warm up to blockchain, a recent funding round reveals how the Miami-based market mover ...

Citadel founder and CEO Ken Griffin told graduates there's no shame in switching careers if they're not truly interested in ...