Jason is chief executive officer of Magenta Therapeutics.

He was Head of GSK R&D Satellite in Boston, and created and led the Regenerative Medicine Unit where he ran internal programs and established external partnerships, including stem cell gene therapies. Jason was also Head of GSK’s Center of Excellence for External Drug Discovery and led a team that identified, established and managed alliances with world-leading biotech companies.

He has worked on multiple successful modalities across a range of therapeutic areas from target to launch, including the NDA approval for Tykerb in breast cancer.

He was formerly a scientist at Progenics Pharmaceuticals and Chiron, and was educated at Cambridge, Oxford and Harvard Universities.