GT Biopharma, Inc. has announced that Jeffrey Miller, M.D. has been hired by the Company as its Consulting Chief Medical Officer. Dr. Miller is currently Professor of Medicine at the University of Minnesota, and is the Deputy Director of the University of Minnesota's Masonic Comprehensive Cancer Center. Dr. Miller has more than 20 years of experience studying the biology of NK cells, and other immune effector cells and their use in clinical immunotherapy with over 170 peer-reviewed publications.