Just about five-and-a-half years after his promotion to CEO of UnitedHealth Group, Andrew Witty ... Before he became CEO, Witty was chief executive of the company’s Optum division.

Andrew Witty was the chief executive ... of the company towards consumer healthcare and vaccines. CEO of Optum and UnitedHealth Group Witty became CEO of Optum, a unit of UnitedHealth Group ...

UnitedHealth CEO Andrew Witty is stepping down for personal reasons ... manager that runs prescription drug coverage and a growing Optum segment that delivers care and provides technical ...