Don L. Goldenberg, M.D., is the Chief of Rheumatology at Newton-Wellesley Hospital and Professor of Medicine, Tufts University School of Medicine. An international authority in the fields of fibromyalgia and chronic fatigue syndrome, he has published more than 150 papers in scientific journals, as well as books on arthritis and rheumatism. Dr. Goldenberg has been interviewed on national and local television, and his work has been covered in The New York Times, The Boston Globe, and The New Yorker. He is the author of Chronic Illness and Uncertainty: A Personal and Professional Guide to Poorly Understood Syndromes.