Dr. Caligiuri is president and physician-in-chief of the City of Hope National Medical Center. He previously served as director of The Ohio State University Comprehensive Cancer Center and CEO of the Arthur G. James Cancer Hospital and Richard J. Solove Research Institute. Dr. Caligiuri is a renowned physician-scientist, known for his work in immunology that is focused on human natural killer cells and their modulation for the treatment of leukemia, lymphoma, myeloma, and glioblastoma. He is also president of the Society of Natural Immunity, and a member or chair of the external boards for 12 of the nation’s cancer centers. Dr. Caligiuri was the 2017-18 president of the AACR.