Davidson Kempner CIO Has ‘Uncontrolled Power,’ Ex-Partner Claims

A former partner at Davidson Kempner Capital Management, one of the world’s biggest hedge funds, alleged in a court filing that Chief Investment Officer Tony Yoseloff operates with “uncontrolled power” and has engaged in “wide-ranging misconduct.”

Yoseloff runs Davidson Kempner “as his personal family office rather than one of the largest hedge funds in the world,” according to a filing in a New York court by Michael Herzog that’s part of a whistleblower action he’s begun in the UK.

Herzog was among the $37 billion fund’s most senior traders until he was ousted last year after raising concerns about ...