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

The UnitedHealth CEO abruptly stepped down on Tuesday, six months after the CEO of UnitedHealth's subsidiary UnitedHealthcare, Brian Thompson, was murdered.

UnitedHealth Group announced that CEO Andrew Witty is stepping down due to 'personal reasons,' Stephen Hemsley will replace him.

The executive earlier caused public outrage when he defended the insurance giant’s practice of denying health care claims.

UnitedHealth Group Incorporated's stock faces a steep decline amid leadership turmoil, regulatory pressures, and rising costs ...

UnitedHealth CEO Andrew Witty is stepping down for personal reasons and the nation’s largest health insurer suspended its ...

UnitedHealth Group Chairman Stephen Hemsley is returning to helm the health care conglomerate once again. He will replace ...

UnitedHealth Group surprises investors with what its CEO said was an "unusual and unacceptable" quarterly earnings miss, and ...

A stock slide and investigations will put Stephen Hemsley’s credibility with investors to the test.

UnitedHealth Group CEO Stephen Hemsley, who replaced Andrew Witty, said he has the right strategy in place “for the era ahead ...