Judith N. Wasserheit MD, MPH is currently Professor of Medicine and Global Health and Chair of the Department of Global Health at the University of Washington in the Schools of Medicine and Public Health & Community Medicine. She is also an Affiliate Investigator the Fred Hutchinson Cancer Research Center. She was formerly the Director of the HIV Vaccine Trials Network, a global clinical trials platform linking 28 sites on four continents in evaluating preventive HIV vaccines. She has had extensive experience in sexually transmitted disease (STD) research, policy development and program implementation both in the United States and in developing countries. Her previous research has included one of the first laparoscopic studies of pelvic inflammatory disease etiology conducted in the US, the first population-based study of the prevalence and etiologic spectrum of STDs among rural women in the Indian Subcontinent, and research on the interrelationships between STDs and contraceptive practices in other parts of the developing world, including Indonesia, and Egypt. She has also worked in Columbia, Thailand and Zambia. Her development of the concept of epidemiological synergy between HIV infection and other STDs has had a major influence on HIV prevention policy and programs around the world.