Dr. Hambleton has served as a member of our board of directors since August 2018. Dr. Hambleton served as Interim President & CEO, Arch Oncology, a private company, from August 2020 to March 2021. From June 2018 until her retirement in April 2020, Dr. Hambleton served as Senior Vice President, Chief Medical Officer, Head of Development at IDEAYA Biosciences, an oncology medicine company. From September 2017 to May 2018 and from March 2016 to May 2016, Dr. Hambleton served as an independent strategic consultant for various life sciences companies. From May 2016 to September 2017, she served as Vice President, Head U.S. Medical at Bristol-Myers Squibb, a global biopharmaceutical company. From August 2015 to February 2016, Dr. Hambleton served as Executive Vice President, Chief Medical Officer at Five Prime Therapeutics, a biotechnology company, and as Senior Vice President, Chief Medical Officer from December 2012 to August 2015. From April 2010 to November 2012, Dr. Hambleton served as Vice President, Clinical Development at Clovis Oncology, and from 2003 to 2010, Dr. Hambleton held increasing roles of responsibility in BioOncology at Genentech. Dr. Hambleton has served on the board of directors of SpringWorks Therapeutics, a biopharmaceutical company, since May 2020 and Erasca, Inc., a biotechnology company, since March 2021. Dr. Hambleton completed her hematology-oncology training at the University of California, San Francisco, where she then served on the faculty from 1993 to 2003. Dr. Hambleton received an M.D. from Case Western Reserve University School of Medicine and a B.S. in Nursing from Duke University and was board-certified in Hematology and Internal Medicine.