Stephen Hemsley hasn’t been CEO at UnitedHealth Group in nearly a decade yet he’s never really left. Hemsley, 72, has remained chairman and a major shareholder in the health care behemoth — and now is back in the CEO suite and is expected to reinstate his brand of operational and financial discipline that turbocharged the company’s growth.

British boss of US healthcare giant UnitedHealth quits for ‘personal reasons’ - The move comes five months after one of the company’s top executives was killed after being shot as he walked to an investor conference in New York.

UnitedHealth Group revealed additional details about the compensation package for CEO Stephen Hemsley in a filing with the Securities and Exchange Commission. | UnitedHealth Group revealed additional details about the compensation package for CEO Stephen Hemsley in a filing with the Securities and Exchange Commission.

Stephen Hemsley ran UnitedHealth Group for more than a decade. It's a different company after four years with Andrew Witty in charge.

Hemsley, 72, had led the company for more than a decade until 2017 and is re-taking the reins following a series of setbacks.

UnitedHealth's stock has plunged nearly 40% year-to-date as the company has battled a series of crises. Can the healthcare giant turn it around? Seeking Alpha analysts weigh in.

Even UnitedHealth will struggle to overcome parasitic medical costs that Warren Buffett once called a tapeworm eating away at U.S. economic competitiveness. The $300 billion healthcare conglomerate reinstalled Chairman Stephen Hemsley as CEO and yanked its financial guidance.

UnitedHealth just made a surprising move, bringing back a familiar face to fix what’s been a rough year.

UnitedHealth Group Inc UNH announced Tuesday morning that its CEO, Andrew Witty, will resign for personal reasons.. Stephen Hemsley, who previously held the CEO title from 2006 to 2017, will succeed him. Hemsley will also remain chairman of UnitedHealth's board of directors, and Witty will become senior adviser to the CEO.

Stephen Weiss, who frequently appears on CNBC, noted on the network yesterday that he was holding onto his position in UnitedHealth Group Incorporated (UNH) after UNH’s CEO, Andrew Witty, resigned, citing “personal reasons.