Jayson Dallas, M.D.

Jayson Dallas has served as President and Chief Executive Officer of Aimmune Therapeutics, Inc., a biopharmaceutical company developing treatments for potentially life-threatening food allergies, since June 2018, and as a member of Aimmune’s board of directors from June 2018 until its acquisition by Sociétés des Produits Nestlé, S.A., in October 2020. Prior to joining Aimmune, he served as the first Chief Commercial Officer and Executive Vice President of Ultragenyx Pharmaceutical, Inc., a publicly held biopharmaceutical company focused on the development of novel products for rare and ultra-rare diseases, since August 2015. Prior to Ultragenyx, Jayson served as General Manager of Roche, a healthcare company, in the United Kingdom from January 2013 to July 2015. Before joining Roche, he held two different positions at Genentech, a pharmaceutical company, as] Head of Global Oncology Launch Excellence and Biosimilar Strategy and Head of Global Product Strategy for Immunology and Ophthalmology, from May 2010 to December 2012 in South San Francisco. Earlier in his career, Jayson worked at Novartis and Pfizer / Pharmacia in the United States and previously at Roche in Switzerland. Jayson serves on the board of directors of Arena Pharmaceuticals, Inc. Jayson holds an M.D. from the University of the Witwatersrand, Johannesburg, South Africa and an M.B.A. from Ashridge Business School in the United Kingdom.