Andrew Witty, who largely led the U.S. healthcare giant from the U.K., made big bets on Medicare enrollees that backfired.

Andrew Witty is stepping down from his position as UnitedHealth's CEO for personal reasons, insurer says in surprise announcement.

The health care conglomerate is facing mounting financial problems – and ongoing consumer anger over high costs and denied ...

May 13 (UPI) -- UnitedHealth Group announced Tuesday CEO Andrew Witty will step down, citing "personal reasons." Witty will ...

Stephen Hemsley returned to the top job last month after the healthcare giant reported its first earnings miss since 2008.

Chief Executive Officer Andrew Witty stood up in the front and offered an encouraging message: Business was good. He was optimistic about the company’s prospects in the coming year. A trio of ...

UnitedHealth Group ( NYSE: UNH) shareholders approved a pay package for returning Chief Executive Officer Stephen Hemsley, ...

UnitedHealth's new CEO says the company is reevaluating how it handles coding, managed care, and pharmacy services.