Professor of Entomology, Owusu pursued his undergraduate studies at University of Ghana where he received a Bachelor of Science degree. He obtained a Master of Science degree and a PhD in Entomology (gold medal award) from Kochi University, Japan in 1995. He has over 120 scientific publications and conference papers in internationally recognized journals. Prof. Owusu is a member of numerous local and international organizations/bodies such as the Entomological Society of Ghana, Entomological Society of America, Japanese Society of Applied Entomology and Zoology, Ghana Science Association, African Association of Insect Scientists, International Society of Pest information (ISPI), as well as fellow of Toyota Foundation.