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

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

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

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