Joep M.A. Lange, MD, PhD is currently Professor of Medicine at the Academic Medical Center (AMC), University of Amsterdam, where he heads the Department of Global Health. He also serves as Chairman of PharmAccess Foundation and as Scientific Advisor to the Board of the Health Insurance Fund Foundation (which pioneers mechanisms of sustainable financing of health care in resource-poor settings). Dr. Lange has been involved in HIV research and treatment since 1983. He has been the architect and principal investigator of several pivotal trials on antiretroviral therapy and prevention of mother-to-child transmission in both the developed and developing world. He serves on numerous advisory boards for both private and public sector organizations including the Strategic and Technical Advisory Committee of the WHO HIV Department. He is Editor-in-Chief of Antiviral Therapy and member of the Editorial Board of PLoS Medicine. He is author or co-author of over 300 papers in peer-reviewed medical journals and book chapters.