David L. Thomas, MD, MPH, is chief of the Division of Infectious Diseases, Department of Medicine, of the Johns Hopkins School of Medicine. He is also a professor in the Department of Epidemiology in the Johns Hopkins Bloomberg School of Public Health. His broad research interest is viral hepatitis, and current research projects include the progression of hepatitis C in injection-drug users, hepatitis C pathogenesis and the host genome, and antiviral therapy for HIV–hepatitis C virus coinfection. Dr. Thomas received his MD from the West Virginia School of Medicine and his MPH from the Johns Hopkins School of Hygiene and Public Health.
Lester N. Wright, MD, MPH, is the deputy commissioner and chief medical officer for the New York Department of Correctional Services. He oversees health care for some 62,000 residents in 70 facilities, who currently include about 4,500 HIV-positive patients and 8,000 who have hepatitis C virus infection. Before his employment in the New York Department of Correctional Services, Dr. Wright worked in several state and county health departments, including the Virginia Department of Health and the Delaware Public Health Division. He spent 7 years working in Africa on delivery of primary health care and health-system development. He has served on two National Academies committees: the Committee on Regulating Occupational Exposure to Tuberculosis and the Committee on the Elimination of Tuberculosis in the United States. Dr. Wright received his MD from the Loma Linda University School of Medicine and his MPH from the Harvard School of Public Health.