2023-2025        Head of Department (HoD), Food Science and Technology, KNUST.

2020-Date:       Associate Professor, Department of Food Science and Technology, KNUST.

2017-2019:       Head of Department (HoD), Food Science and Technology, KNUST.

2015-2020:       Senior Lecturer, Department of Food Science and Technology, KNUST

2009-2015:        Lecturer, Department of Food Science and Technology, KNUST

2004-2007:       Associate Professional Officer, IITA, Ibadan, Nigeria

2003-2004:       Assistant Research Scientist – CSIR (Crops Research Institute), Ghana.