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

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

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

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

How Ken Griffin rebuilt Citadel’s ramparts on whatsapp (opens in a new window) Save Robin Wigglesworth, Laurence Fletcher and Ortenca Aliaj. Published April 7 2021.

Ken Griffin, the founder and CEO of Citadel, is seen in November 2014. Nancy Stone / Chicago Tribune. Ken Griffin, from left, then-Mayor Rahm Emanuel and then-police Superintendent Eddie Johnson ...

Ken Griffin’s philanthropy. Citadel says Ken Griffin has donated more than $600 million to educational, cultural, medical and civic organizations over the past 30 years.

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

Citadel, the hedge fund run by billionaire Ken Griffin, reported a record $16 billion in profit last year — knocking off Ray Dalio’s Bridgewater as the most successful firm seven years running.

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