GSK also faced U.S. government investigations ... Since the assassination of his top lieutenant Brian Thompson on Dec. 4, ...

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.

GlaxoSmithKline (GSK) chief executive Sir Andrew Witty has defended the company's strategy, saying a diversified model will help it achieve growth up to 2020 and beyond.

UnitedHealth is the parent company of Optum Rx, one of the biggest PBMs. A PBM helps employer-sponsored health plans and ...

British drugmaker GlaxoSmithKline said today that chief executive Andrew Witty will retire in 2017 after almost 10 years at the helm. Witty, a 31-year company veteran, has been under fire from ...

In an interview with WSJ's Dennis Berman, GlaxoSmithKline CEO Andrew Witty discusses why the drug maker has devoted time to researching a malaria vaccine for children in Africa -- and why he ...

These forces have led Mr Jimenez and Sir Andrew Witty, GSK’s chief executive, to make their boldest moves since taking the reins of their respective companies, with an ambitious deal to ...

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 ...