Professor Okeke obtained her medical degree from the University of Nigeria and completed her residency training in Community Medicine at the University of Nigeria Teaching Hospital, Enugu. She is a fellow of the National Postgraduate Medical College of Nigeria, with special interest in the area of Occupational Medicine.
She has taught medical students both at undergraduate and postgraduate levels, and has conducted research in various aspects of community medicine, with publications in national and international journals. She is a former Head of Department of Community Medicine, College of Medicine, University of Nigeria, Enugu Campus. She has acted as a Faculty Board member and Examiner to the National Postgraduate Medical College of Nigeria. She is also a member of the Society of Occupational Health Physicians of Nigeria.