Five Prime Therapeutics, Inc. announced changes to its Board of Directors. Mr. Mark McDade, who has served as a member of Five Prime’s Board of Directors since July 2006 and Lead Independent Director since March 2016, will retire from the Board effective November 30, 2018. Furthermore, Lewis T. "Rusty" Williams, M.D., Ph.D. will transition from Executive Chairman of the Board to Board member and William Ringo will become Chairman of the Board effective January 1, 2019. Ringo currently serves on the boards of directors of Assembly Biosciences, Inc., Immune Design Corp. and Dermira, Inc.