| Employment | Date | Status |
|---|
| St. Peter’s Sec. School, Kwahu Nkwatia, Ghana | Oct 1979-Oct 1982 | past |
| Council for Scientific & Industrial Research, Crops Research Institute (CSIR-CRI), Kumasi, Ghana. | Nov 1982-Nov 1988 | past |
| Grain & Legume Improvement Programme, International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. (Field Research towards MPhil degree). | Aug 1987-Apr 1988 | past |
| CSIR-CRI, Kumasi Ghana. | Dec 1988-Dec 1997 | past |
| West Africa Rice Development Association (WARDA), Bouaké, Côte d’Ivoire. (Field Research towards PhD degree). | Apr 1994-Apr 1996 | past |
| CSIR-CRI, Kumasi Ghana. | Jan 1998-Sep 2002 | past |
| Department of Crop & Soil Sciences, KNUST. | Oct 2001-Jun 2002 | past |
| Department of Crop & Soil Sciences, KNUST | Oct 2002-Sep 2010 | past |
| Ho Volta Region, Ghana. | Oct 2010-Sep 2014 | past |
| Department of Crop & Soil Sciences, KNUST. | Oct 2010 | current |
