MD and PhD, Johns Hopkins University School of Medicine. Formerly: Internal Medicine residency training and Medical Oncology fellowship training, Johns Hopkins Hospital, earning American Board of Internal Medicine certification in both disciplines. Currently: Marion I Knott Professor of Oncology and Director, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins; Professor of Urology, Pharmacology, Medicine, Pathology, and Radiation Oncology, Johns Hopkins University School of Medicine; Joint Appointment in Environmental Health Sciences, Johns Hopkins University Bloomberg School of Public Health; directs research laboratory focused on discovering new strategies for prostate cancer treatment and prevention. Principal Investigator, National Cancer Institute-funded Molecular Targets Training Program. Member, American Association for Cancer Research.