Dr. Siegel was appointed to MacroGenics’ Board of Directors in November 2017. He most recently served as Chief Biotechnology Officer and Head of Scientific Strategy and Policy at Johnson & Johnson, which he joined in 2003, and on the Executive Committees and Boards of the Biotechnology Innovation Organization and the Alliance for Regenerative Medicine. Prior to joining J&J, Dr. Siegel had a distinguished 20-year career at the FDA in positions of increasing responsibility, including directing the Office responsible for reviewing and approving therapeutic biologics. Dr. Siegel currently co-chairs the National Academies Forum on Regenerative Medicine. He received a B.S. in Biology from the California Institute of Technology and an M.D. from Stanford University. He trained in internal medicine at the University of California, San Francisco, and in Infectious Diseases and Immunology at Stanford University. The Board believes that Dr. Siegel’s medical training and 35 years of experience in biotechnology qualify him to serve as a member of our Board.