Vice-Chancellor, Machakos University

Vice-Chancellor, University of Nairobi

Deputy Vice-Chancellor, Academic Affairs, University of Nairobi

Currently, Chief Administrative Secretary, State Law Office, and Department of Justice. Former Principal Secretary, State Department for Fisheries, Aquaculture and the Blue Economy, Ministry of Agriculture, Livestock and Fisheries, and Principal Secretary, Ministry of Education. Former Director School of Biological Sciences, University of Nairobi

Registrar, Deputy Vice-Chancellor Research Innovation and Extension, University of Nairobi

Engagement LEAD at ORCiD

Former, Executive Director Central Office of Research, Former
Director, Central Science Laboratory, Obafemi Awolowo University, Nigeria

Obafemi Awolowo University, Nigeria

Executive Dean, Faculty of Science and Technology, University of Nairobi

Co-Founder & Strategic Coordinator AfricArxiv

Former Principal, College of Biological and Physical Sciences (CBPS)

Former Director School of Biological Sciences- University of Nairobi

Former Vice-Chancellor University of Nairobi, Current Minister of Education, Government of Kenya

Former Vice-Chancellor University of Nairobi

Former CEO, The Innovation Hub, South Africa, Current Managing Director, Bigen Global Limited

Former Acting Deputy Vice-Chancellor, Research Innovation, and Extension, University of Nairobi