Former GlaxoSmithKline chief executive Sir Andrew Witty has taken a leave of absence from his current day job to lead the push to develop vaccines for COVID-19 at the World Health Organization (WHO).

Since the assassination of his top lieutenant Brian Thompson on Dec. 4, Andrew Witty has been keeping long, difficult hours ...

UnitedHealth Group CEO Andrew Witty mourned the death of ... opting for surgeries they had delayed during the Covid-19 ...