Dr W. Marston Linehan is Chief of the Urologic Oncology Branch of the National Cancer Institute, part of the National Institutes of Health in the United States. The Urologic Oncology Branch performs clinical trials evaluating and treating patients affected with Birt-Hogg-Dubé as well as basic research. Dr Linehan has been at the National Cancer Institute for almost 30 years; he was part of the teams which identified the genes for BHD, VHL, and hereditary papillary renal cell cancer. Dr Linehan is an eminent leader in the study of molecular genetics of urologic malignancies and evaluation and treatment of patients with hereditary and sporadic forms of genitourinary cancers.