He attends on the renal transplant service managing in-patients with fresh renal transplants and problems of previously placed organs. He maintains two out-patient transplant clinics per week at Vanderbilt and a transplant clinic once a month at St. Thomas. His clinical research interests have involved the development of new immunosuppressive strategies, the pathogenesis and treatment of chronic rejection, the pathogenesis and management of medical complications of transplantation including infection, neoplasia, metabolic disorders including diabetes and bone disease, and cardiac disease. Dr. Helderman is nationally recognized as a leader in transplantation. He serves as the President of the American Society of Transplant Physicians, is on a national board of the United Network of Organ Sharing, represents transplantation on the Council of the American Kidney Societies. He is the Associate Editor of the American Journal of Kidney Disease and on the Editorial Board of multiple kidney and transplantation journals.