Dr. S. Olusegun Nwhator is a BDS graduate of the University of Lagos and  a PhD  in Periodontology from the University of Helsinki. He is aFellow of the  Nigeria and West African Postgraduate Medical Colleges in Periodontology. He teaches undergraduate and postgraduate periodontics at the Faculty of Dentistry, Obafemi Awolowo University/ Teaching Hospital's Complex, Ile-Ife. Dr. Nwhator's research interests include periodontal medicine and metalloproteinases in Periodontics. 

He is a resource person to various professional and academic bodies and He is currently, the Head of Science and Research of the Nigerian Dental Association.