Adesegun Olayiwola FATUSI graduated from OAU in 1987 with Bachelor of Medicine, Bachelor of Surgery degree, and with distinction in Community Health and the Lawrence Omole Award for the best student in final year Community Health examination.  In 1992, he won the Federal Government one-year abroad award for the best candidate in the Part I examinations of the Faculty of Public Health of the National Postgraduate Medical College. He graduated from the International Masters of Public Health programme of the Hebrew University, Hadassah, Israel, in 1995 with summa cum laude honours. He obtained the Fellowship of the West African College of Physicians in Community Health in April 1995. He was a Gates-Packard Scholar, Population Leadership Programme of the University of Washington, Seattle, USA between 2001 and 2002, and a Visiting Scholar at the Gates Institute for Population and Reproductive Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA in 2007.

Fatusi is a highly committed teacher, consummate researcher and outstanding mentor. He has published widely and presently has over 100 publications. Prior to his academic career, he worked as a Technical Advisor to UNFPA-supported Reproductive Health programmes in Nigeria from 1996 to 2001. His areas of interest are: Adolescent Health, Reproductive Health Epidemiology, and Public Health Leadership and Policy. He has a strong focus on bridging the gap between the academia and field-based public health practice. Beyond the academia, he is well known and highly regarded with his frontline roles in leading national public health research initiatives, policy development and population-level programming at national and sub-national levels in Nigeria and beyond in the field of Adolescent Health, Reproductive Health Epidemiology and Services, and Health Leadership and Policy.

He is the Founder and President of Paaneah Foundation, Ota, Ogun State, Nigeria, and the Technical Lead for the Academy for Health Development (AHEAD), Ile-Ife, Nigeria. He was also the Founder of the Campus Health and Rights Initiative (CHRI), Obafemi Awolowo University, Ile-Ife, Nigeria – focusing on the health, rights and development issues of young people in tertiary institutions. He is currently the Chair of Nigeria’s National Adolescent Health & Development Technical Working Group – a position he has held since 2006 – and President of the Society for Adolescent and Young People’s Health in Nigeria. He is also a member of the Global Commission on Adolescent Health issues – the Lancet Commission on Adolescent Health and Wellbeing. He is the Director of the annual Short Course on Adolescent Health in sub-Saharan Course at the Obafemi Awolowo University, Ile-Ife, Nigeria and one of the facilitators of the Short Course on Adolescent Health in Low and Middle-Income Countries hosted annually by the London School of Hygiene and Tropical Medicine. He is a contributor to the Adolescent Health online course of the Johns Hopkins University, Baltimore, USA. He is a member of the Editorial Board of Journal of Adolescent Health, and had severally served as temporary Adviser to WHO Headquarters in Geneva on Adolescent and Reproductive Health. He was the lead Consultant for the development of National Policy on the Health & Development of Adolescent and Young Persons, the National Strategic Plan on the Health & Development of Adolescent and Young Persons,  and the Action Plan for Advancing the Health of Adolescents in Nigeria. He also serves on the Board of several non-governmental organisations focusing on young people’s health and development.

Fatusi was also the technical advisor for the project under which Nigeria’s first National Reproductive Health Policy was developed. Furthermore, he had served as the lead consultant for the development of a number of other national policy documents, including: National Policy on the Health & Development of Adolescent and Young Persons, National Policy on HIV/AIDS 2010-2015, National Strategic Framework on HIV/AIDS 2010-2015, and National Policy on HIV/AIDS Research Agenda (2010), and the Revised National Reproductive Health Policy (2010). He was also a member of the team of consultants that developed the National Policy on Population for Sustainable Development, National HIV/AIDS Behaviour Change Communication Strategy 2004–2008, and the National Maternal Mortality Reduction Road Map. He was a member of the Ministerial Committee that developed Nigeria’s Health Sector Reform Programme in 2004 as well as the Technical working Group for the new National Health Policy.  His experience in leading national research initiatives include the National Study on School Health, Performance Factor Special Study on Reproductive and Child Health, the National AIDS & Reproductive Health Survey, and the National HIV/AIDS Knowledge, Attitude and Practices and School Health Survey. He has worked as a consultant to several international development agencies, including WHO, UNFPA, UNICEF, World Bank, and USAID.