The company is the only biopharma focused exclusively on the development and commercialisation of new treatment options for people with hemophilia.
Butler has more than 20 years experience in the field of commercialisation for innovative therapies.
He replaces Michael Griffith, who will become chief scientific officer, and will remain as president at Inspiration.
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...