Former UnitedHealth Group chief executive officer Stephen Hemsley to replace Andrew Witty. Here's what we know.

Stephen Hemsley hasn’ t been CEO at UnitedHealth Group in nearly a decade yet he’ s never really left. Since that day, the company’ s stock has fallen from $610 a share to $308 on Tuesday, an ...

The Wall Street Journal on Wednesday cited people familiar with the matter as saying that the probe has been ongoing since ...

Andrew Witty has resigned as chief executive of US health conglomerate UnitedHealth Group, as the company pulled its ...