He is a recognized expert in field of genitourinary oncology – treating patients with prostate, kidney, bladder and testicular cancers. He is also a member of the Experimental Therapeutics program, investigating novel therapies across all solid tumors. In addition to providing standard therapies for the treatment of genitourinary cancers such as hormonal therapy, molecularly targeted therapy and chemotherapy, Dr. Stein leads multiple investigator initiated and industry sponsored clinical trials. Dr. Stein has a particular interest in the development of novel immune therapies for the treatment of prostate cancer, both in men with early recurrence of prostate cancer as well as in men with more advanced prostate cancer. He is also helping to lead two national trials in kidney cancer sponsored by the National Cancer Institute.