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- Professor: Kwame Nkrumah University of Science and Technology, Kumasi, August, 2023 to Date
- Associate Professor: Kwame Nkrumah University of Science and Technology, Kumasi, August, 2016 to July 2023
- Senior Lecturer: Kwame Nkrumah University of Science and Technology, Kumasi, October, 2011 to July, 2016
- Adjunct Lecturer: Mechanical Engineering Department, School of the Engineering, Kumasi Polytechnic, September, 2007 to June, 2009
- Lecturer: Kwame Nkrumah University of Science and Technology, Kumasi, September, 2005 to September, 2011
- Graduate Teaching & Research Assistant: North Carolina A&T State University, September, 1999 to May, 2005
- Mathematics Tutor (Senior Superintendent): Kaneshi Secondary Technical School, Kaneshi, January, 1997 to August, 1999
- Science/Mathematics Tutor (Superintendent): Juabeso Senior Secondary School, Juabeso, November, 1992 to December, 1996
- Maintenance/Workshop Engineer Ministry of Food and Agriculture, Sekondi, Ghana, November, 1991 to August, 1992
- Mathematics Tutor: Sefwi Wiawso Secondary School, Wiawso, November, 1986 to July, 1987
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