Owusu-Mensah began his academic career at the
University of Ghana in 2011 as a lecturer in the Department of Political Science. He was promoted to Senior Lecturer in 2016 and later to associate professor, specialising in democracy and electoral studies. Throughout his academic career, he has contributed to university governance through service on a number of boards and committees, including the Academic Board, the Admissions Board, and the College of Humanities Academic Board. At the University of Ghana, Owusu-Mensah has taught a broad range of undergraduate and postgraduate courses in political science and
development studies. His teaching areas include
political theory,
research methods,
public policy analysis, and the
politics of identity. He has supervised and examined numerous postgraduate theses and has contributed to academic assessment and curriculum development across institutions. His work as an external examiner and assessor includes engagements with the
Ghana Institute of Management and Public Administration and the Ghana Armed Forces Command and Staff College. == Government and policy roles ==