David F. Hale is a co-founder and has served as a member of Oncternal’s board since 2016 and as chairman of the board since December 2018. Since May 2006, Mr. Hale has served as Chairman & CEO of Hale Biopharma Ventures, LLC. He is a serial entrepreneur who has been involved in the formation and development of numerous life sciences companies. He was previously President and CEO of CancerVax Corporation, a cancer therapeutic company from October 2000 through May 2006 when CancerVax merged with Micromet, Inc. He became Chairman of Micromet, Inc. until the sale of the company to Amgen Inc. in 2012. After joining Hybritech, Inc., in 1982, he was President & Chief Operating Officer and became CEO in 1986, when Hybritech was acquired by Eli Lilly and Co. From 1987 to 1997 he was Chairman, President and CEO of Gensia, Inc. He was a co-founder and Chairman of Viagene, Inc. from 1987 to 1995. He was President and CEO of Women First HealthCare, Inc. from January 1998 to June 2000. Prior to joining Hybritech in 1982, Mr. Hale was Vice President and General Manager of BBL Microbiology Systems, a division of Becton, Dickinson & Co. and from 1971 to 1980, held various marketing and sales management positions with Ortho Pharmaceutical Corporation, a division of Johnson & Johnson, Inc. Mr. Hale also serves as Chairman of Biocept, Inc. Mr. Hale previously served as Chairman of Santarus, Inc., Somaxon, Inc., SkinMedica, Inc., CRISIMed, Inc. and Agility Clinical, Inc. He also serves as Chairman of a number of privately held companies, including MDR Aesthetics Inc., Recros Medica, Inc., Clarify Medical, Inc., Neurana Pharmaceuticals, Inc. and Adigica Health, Inc., and as a Director of Neurelis, Inc. Mr. Hale also is a co-founder and serves on the Board of Directors of BIOCOM, is a former member of the board of Biotechnology Industry Organization, or BIO, and the Biotechnology Institute. Mr. Hale also serves as a member of the board of directors of the San Diego Economic Development Corporation, as a board trustee of Rady Children’s Hospital of San Diego, Chairman of the board of Rady Children’s Institute of Pediatric Genomics and a trustee of the Salk Institute. He is a co-founder of the CONNECT Program in Technology and Entrepreneurship. Mr. Hale holds a B.A. in Biology and Chemistry from Jacksonville State University. We believe Mr. Hale is qualified to serve as chairman of our board of directors because of his extensive knowledge of our business and history, experience as a board member of multiple publicly-traded and privately-held companies, and expertise in developing, financing and providing strong executive leadership to numerous biopharmaceutical companies.