Black Diamond Therapeutics, Inc. announced the appointment of Rachel Humphrey, M.D., as Chief Medical Officer. Karsten Witt, M.D., who has been Senior Vice President of Clinical Development and acting Chief Medical Officer since May 2019, will continue to serve the Company as Senior Vice President (SVP), Non-Clinical Development. Dr. Humphrey joins Black Diamond from CytomX Therapeutics, Inc., where she served as Chief Medical Officer and as a member of its Board of Directors. While at CytomX, she supervised the clinical development of Probody™ Therapeutics for the treatment of cancer. Previously, she held numerous senior leadership roles in cancer drug development, including Vice President (VP), Head of Immuno-Oncology at Eli Lilly and Company, SVP and Head of Immuno-Oncology at AstraZeneca, Executive VP and Chief Medical Officer at Mirati Therapeutics, and VP, Clinical Development at Bristol-Myers Squibb (BMS). Rachel also held multiple positions in global clinical development at Bayer.