Once president of group research at Roche Holdings, Knowles now joins the board at Adaptimmune as a non-executive director.
He joins the firm's current chief operating officer Helen Tayton-Martin, who will become executive director.
Plus the latest drug industry hirings, firings and awards in this week's column.
The Association of the British Pharmaceutical and novel drugmakers feature in this week's People on the Move...
IN PICTURES: Plus who's on the move at biotechs and the UK's National Health Service.
Former employees of Procter & Gamble, Merck & Co. and Bristol Myers Squibb have all found new...