Ken Cohen, a physician and Optum’s executive director of translational research, said Thursday at a conference organized by ...

Leadership changes within insurance giant UnitedHealth Group (NYSE: UHG) and its subsidiary Optum have rattled the company from the inside out, with UHG ...

Over the past three years, the company has reported rising Medicare Advantage costs in its UnitedHealthcare insurance subsidiary. But some see Optum as more concerning. With Andrew Witty resigning ...