Christopher S. Henney

Dr. Henney has served as a director of the Company since March 2006. Dr. Henney became Chair of the Board of Directors of the Company in October 2020. Dr. Henney had served as a director of Xcyte Therapies Inc., acquired by the Company in 2006, since March 2005, and continued on as Vice Chairman of the Company. Previously, Dr. Henney co-founded three major publicly held U.S. biotechnology companies, Immunex, ICOS and Dendreon, and held a seat on the board of directors and executive positions at each company. From 1995 to January 2003, Dr. Henney was Chairman and Chief Executive Officer of Dendreon Corporation. During part of 2016, he was also interim President and Chief Executive Officer of Cascadian Therapeutics Inc. and as the board member of Anthera Pharmaceuticals, Inc., both biotechnology companies. He is also a director of Prothena Corporation plc. Dr. Henney received a Ph.D. in experimental pathology from the University of Birmingham and a D.Sc. from the same university for contributions to the field of immunology. In 2012, Dr. Henney was inducted into the Biotechnology Hall of Fame.