Jayson Dallas, M.D.

Chief Commercial Officer and Executive Vice President

Jayson Dallas, M.D. joined Ultragenyx in August 2015. Dr. Dallas is responsible for leading commercial operations, including sales, marketing, reimbursement, and new product planning. He is also a member of the company’s executive leadership team.

Dr. Dallas most recently served as General Manager of Roche in the United Kingdom. Prior to this, at Genentech he held two different positions as Head of Global Oncology Launch Excellence and Biosimilar Strategy and Head of Global Product Strategy for Immunology and Ophthalmology. Prior to joining Genentech, Dr. Dallas worked at Novartis and Pharmacia in the US and previously at Roche in Switzerland. Over the course of his 21 year career in the industry, Dr. Dallas has successfully overseen multiple product launches, internationally and in the US, and has led numerous commercial organizations through periods of rapid growth. Earlier in his career, Dr. Dallas worked in various medical functions within the industry and also as a practicing clinician.

Dr. Dallas holds an M.D. from the University of the Witwatersrand, Johannesburg, South Africa and an M.B.A. from Ashridge Business School in the UK.