Former CEO and current chairman Stephen Hemsley is stepping back into the top job following the abrupt resignation of Andrew Witty, UnitedHealth said.

Nearly six months after late UnitedHealthcare CEO, Brian Thompson, was fatally shot, UnitedHealth Group’s CEO, Andrew Witty, ...

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