David Pisetsky, M.D., Ph.D. , is the Director of Duke University Arthritis Center, and Professor of Rheumatology, Allergy and Clinical Immunology at Duke University Medical Center. He has a long-standing interest in medical ethics, having served for many years on the Ethics Committee of the Durham Veterans Administration (VA) Medical Center. He has taught medicine for over twenty years and is currently Chief of the Division of Rheumatology, Arthritis, and Clinical Immunology. In addition to his clinical and teaching work, he has published over 200 investigative scientific articles and dozens of abstracts, and has edited four scientific volumes.