UnitedHealth Group CEO Stephen Hemsley, returning to run the healthcare giant after Andrew Witty resigned, said he has the right strategy in place “for the era ahead.”

Por MICHELLE CHAPMANEl director general de UnitedHealth, Andrew Witty, dejará su cargo por razones personales y la aseguradora de salud más grande del país suspendió su

Andrew Witty is stepping down as CEO of health care giant UnitedHealth Group in a surprise transition that follows a period of unprecedented turbulence, including the public killing of a company executive and financial woes that in recent weeks have only intensified.

UnitedHealth Group said its Chief Executive Andrew Witty resigned as of Tuesday, and the company suspended its annual forecast due to surging medical costs, sending shares plunging nearly 18% to a four-year low.

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

Andrew Witty is stepping down as UnitedHeath Group CEO for personal reasons, the company said Tuesday. He will be replaced by Stephen Hemsley, a longtime UnitedHeath Group executive who was CEO for about a decade and currently chairs the health insurer’s board of directors.