Deborah Cohan, MD, MPH is Professor in the Departments of Obstetrics, Gynecology and Reproductive Sciences as well as Family/Community Medicine at University of California, San Francisco. She is Medical Director of Bay Area Perinatal AIDS Center (BAPAC) and provides preconception, prenatal and gynecologic care for HIV-infected women and HIV-uninfected women in serodifferent relationships. She is also the Clinical Director of the National HIV Perinatal Hotline and Clinician’s Network and Associate Director of the UCSF Fellowship in Reproductive Infectious Diseases. Dr. Cohan is a member of the DHHS Panel on Antiretroviral Guidelines for Adults and Adolescents and the DHHS Panel on Treatment of HIV-Infected Pregnant Women and Prevention of Perinatal Transmission. She is also a co-author of the DHHS Guidelines on the Prevention and Treatment of Opportunistic Infections in HIV-Infected Adults and Adolescents. Dr. Cohan’s research interests include prenatal HIV testing strategies, the use of combined antiretroviral therapy during pregnancy and lactation in resource-limited settings, prevention of malaria during pregnancy, as well as safer conception options for HIV-affected couples.