GlaxoSmithKline (GSK) has announced it is to begin searching for a successor to CEO Andrew Witty, who will retire in just over a year's time. Witty has told GSK's board that he intends to retire ...

GlaxoSmithKline’s (GSK) former chief executive Andrew Witty was yesterday announced as the new CEO of Optum – a US payer organisation which includes pharmacy benefits manager OptumRx.

The big picture: UnitedHealth Group CEO Andrew Witty spoke at length Thursday about ... The intrigue: Witty is a former CEO of British drug company GSK. During his tenure there, he told CNBC ...

In testimony slated to be delivered before a U.S. House committee, UnitedHealth Group CEO Andrew Witty says that hackers used stolen credentials to log in to a Citrix remote access portal ...