Skip to content


Deborah Dunsire


Deborah Dunsire has been a director of Alexion since January 2018. Dr. Dunsire served as President and Chief Executive Officer of Millennium Pharmaceuticals, Inc. from 2005-2013, where she led the transformation of the company into a biotechnology industry leader. Prior to Millennium, which became Takeda Oncology, Dr. Dunsire led the Novartis North America Oncology Business through a period of significant growth during her 10-year tenure. She also previously served as President and Chief Executive Officer of FORUM Pharmaceuticals and in a variety of R&D and Commercial positions with Sandoz AG. Dr. Dunsire currently serves as President and Chief Executive Officer of Xtuit Pharmaceuticals, Inc., a privately held biopharmaceutical company developing novel therapeutics.

Dr. Dunsire currently serves on the boards of Xtuit and Ultragenyx Pharmaceutical, Inc., a publicly traded biotechnology company. She previously served on the boards of Takeda Pharmaceuticals, Allergan, Inc., and FORUM Pharmaceuticals, Inc.

She received her medical degree from the University of Witwatersrand, Johannesburg, South Africa.