Hemsley praised Witty’s performance in the memo to UnitedHealth employees. “It is a great honor for me to follow Andrew Witty in this role,” Hemsley wrote. “The way he has guided ...

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 leave the role of CEO and be replaced by Stephen J. Hemsley, effective ...