Rosemary has spent more than ten years in consultative engagements, conducting needs assessment and program development to improve the effectiveness of programing and almost twenty years at the Federal Ministry of Health building capacity of health care workers and non governmental organizations on HIV/AIDS, sexual reproductive and maternal/child health in Nigeria and Internationally.

Ms Nnamdi-Okagbue is currently a director on the board of AIDS Prevention In Nigeria (APIN) public health initiatives and served for seven years as the deputy chair of the national task team on HIV counselling and testing.

Rosemary Nnamdi-Okagbue holds a Master of Public Health from the University of South Africa and is a registered nurse/midwife.