Currently Prof. Gunga is serving as Dean of the School of Education, College of Education and External Studies of the University of Nairobi. As Dean of School responsibilities include the management of School of Education activities and chairing School of Education meetings. In addition he a member of the College Management Board, which is the highest decision making organ of the college. As a Dean, he is a member of Dean’s Committee and also member of the University of Nairobi Senate, the highest decision making body of the university.

Prof. Gunga is involved in the provision of Community Service as Chairman of School Management Board of Secondary Schools in his local area.