VBL Therapeutics announced the appointment of Rachel W. Humphrey, MD, PhD, an expert in oncology drug development and one of the pioneers of the immuno-oncology field, to head of the Company's Scientific Advisory Board. Dr. Humphrey is a medical oncologist with extensive pharmaceutical industry experience in global product development as well as expertise in Immuno-Oncology. She is currently the Chief Medical Officer (and former member of the Board of Directors) of CytomX.