UnitedHealth Group is making key leadership changes across its Optum health services business as Stephen Hemsley resumes his ...

A Historic Plunge in a Healthcare Titan UnitedHealth Group (NYSE:UNH) is the largest U.S. health insurer by market share. Yet ...

Dr. Patrick Conway, who was named CEO of Optum in May, is also taking on the position of leading Optum Health, according to a ...