Adesegun Fatusi joined the Guttmacher Institute in 2019 as a Director of International Research. He is a public health physician and widely published expert in the areas of Adolescent Sexual and Reproductive Health, Reproductive and Maternal Health Services, and Health Policy and Systems Research. Segun was a Professor of Community Medicine and Public Health at the Obafemi Awolowo University (OAU), Ile-Ife, Nigeria where he also served as the Provost of the College of Health Services. He was previously a Reproductive Health Advisor with the United Nations Population Fund’s program in Nigeria.
A seasoned researcher, he has served as lead research consultant for several national studies in Nigeria, including the National Study on School Health, Performance Factor Special Study on Reproductive and Child Health, the National AIDS & Reproductive Health Studies, and National Obstetrics Care Study. He has also served as Nigeria Country Lead/Principal Investigator for several multi-country studies, including LearningPlus Project, the Global Early Adolescent Study, and the formative research for Global Accelerated Action for the Health of Adolescents (AA-HA!) framework. He has his medical degree (MBChB) from OAU, MPH from Hebrew University, Hadassah, Israel, and PhD from University of Ibadan, Nigeria. He also obtained the Fellowship of the West African College of Physicians (FWACP) in the field of Community Health.