Yves Souteyrand is the Coordinator of the Strategic Information Unit in the World Health Organization’s HIV/AIDS Department in Geneva. He has held this post since 2004 after serving previously as Senior Adviser to the Director of the Department. Dr. Souteyrand received his PhD from the University of Aix en Provence and has worked at the French Ministry of Health as a researcher in charge of implementing research programmes in public health and health systems research. Between 1993 and 2003, Dr. Souteyrand was Head of Public Health and Socio-Behavioural AIDS Research for the National Medical and Health Research Institute (INSERM). Dr. Souteyrand leads the publication of the annual global progress report on the health-sector response to universal access to HIV and AIDS prevention, care and treatment, published by WHO, UNICEF and UNAIDS. He is a member of the UNAIDS/WHO Working Group on Global HIV/AIDS and STI Surveillance and one of the publishers of the biannual AIDS epidemic update.