Felix J. Baker, Ph.D., has been a director of Alexion since June 2015. Dr. Baker is a Co-Managing Member of Baker Bros. Advisors LP, an investment advisor focused on investments in life science and biotechnology companies. Dr. Baker and his brother, Julian Baker, started their fund-management careers in 1994 when they co-founded a biotechnology investing partnership with the Tisch Family. Dr. Baker currently serves on the Board of Directors at Genomic Health, Inc. and Seattle Genetics, Inc. and previously served on the Board of Directors at Synageva BioPharma Corp. and Ardea Bioscience, Inc.

Dr. Baker holds a Bachelor of Science and a Ph.D. in Immunology from Stanford University, where he also completed two years of medical school.

Dr. Baker is Chair of the Science and Innovation Committee and a member of the Nominating and Corporate Governance Committee.