Positions Held & Hold
- Dean – Faculty of Agriculture, KNUST (August, 2020–date)
- Vice Dean - Faculty of Agriculture, KNUST (August, 2016–July, 2017)
- Head of Department – Department of Crop and Soil Sciences (August, 2015–July, 2017)
- Professor, Department of Crop and Soil Sciences (August, 2022 to date)
- Associate Professor, Department of Crop and Soil Sciences, Faculty of Agriculture, KNUST
- Council Member – Ghana Plant Protection Advisory Council (2017–2020)
- Research Scientist, Council for Scientific and Industrial Research (CSIR), Ghana (Nov., 1997–Feb., 2010)
- Examiner, West Africa Examinations Council (1994-1997)
- External Assessor - Thesis and Staff Promotion (University of Ghana, Legon)
- External Assessor – Thesis and Staff Promotion (University of Energy and Natural Resources, Sunyani)
- Moderator, Examination Questions (Bolgatanga Polytechnic) (201-2014)
- Expert Reviewer, Syllabus for Higher National Diploma (HND) in Tropical Agriculture (NBPTE)