Inspyr Therapeutics, Inc. announced the appointment of Ronald Shazer, M.D. as Senior Vice President and Chief Medical Officer (CMO) effective immediately. Dr. Shazer will lead the clinical development of mipsagargin. Dr. Shazer most recently was CMO of Tracon Pharmaceuticals, a clinical-stage biopharmaceutical company developing targeted therapeutics for cancer. He previously was Senior Director, Clinical Lead Oncology at Pfizer, where he led the clinical development of multiple oncology compounds including antibody drug conjugates, dual targeting T-cell engaging antibodies and immuno-oncology small molecules.