> andrew witty > he was the ceo of glaxosmithkline between 2008 and 2017 > in july 2013, the people's republic of china announced that they were investigating allegations of fraud perpetrated by gsk going back to 2007 and involving billions of chinese renminbi. > from april 2020 to december 2020, witty took a leave of absence from optum to assist the world health organization in developing a vaccine for covid-19.
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