Board of Directors

Daniel G. Welch (Chairman)
Executive Partner, Sofinnova Ventures

Emil D. Kakkis M.D., Ph.D.
Chief Executive Officer, Ultragenyx Pharmaceutical Inc.

William Aliski
Biotechnology Executive

Lars Ekman, M.D., Ph.D
Executive Partner, Sofinnova Ventures

Matthew K. Fust
Former Executive Vice President and Chief Financial Officer, Onyx Pharmaceuticals, Inc.

Michael Narachi
President and Chief Executive Officer, Orexigen Therapeutics, Inc.

Clay B. Siegall, Ph.D.
Chairman and Chief Executive Officer, Seattle Genetics, Inc.