| Employment | Date | Status |
|---|
| Department of Epidemiology and Biostatistics, KNUST School of Public Health | Aug 2020-Dec 2021 | past |
| Department of Epidemiology and Biostatistics, KNUST School of Public Health | Aug 2018-Jul 2022 | past |
| Department of Epidemiology and Biostatistics, KNUST School of Public Health | Jan 2016-Jul 2018 | past |
| Department of Community Health, KNUST School of Medicine and Dentistry | Aug 2017-Jul 2019 | past |
| Department of Community Health, KNUST School of Medicine and Dentistry | Aug 2016-Jul 2017 | past |
| Dept. of Community Health & Prevention, Dornsife School of Public Health, Drexel University, Philadelphia | Jul 2013-Jun 2014 | past |
| Kintampo Health Research Center (KHRC), Kintampo | Mar 2007 | current |
| Dept. of Community Health & Prevention, Dornsife School of Public Health, Drexel University, Philadelphia | Jan 2008-Jun 2013 | past |
| Synthesis Professional Services, Inc. Frederick, MD | Apr 2012-Jun 2012 | past |
| Ghana Health Service, Tafo Gov’t Hospital, Kumasi | Oct 2005-Mar 2007 | past |
| Kumasi Center for Clinical Research in Tropical Medicine (KCCR), KNUST, Kumasi | Mar 2001-Dec 2002 | past |
| Ghana Health Service, Asonomaso Government Hospital (and Asonomaso Sub-District), Asonomaso-Kwabre | Mar 2000-Sep 2005 | past |
| Komfo Anokye Teaching Hospital, Kumasi, Ghana | Sep 1997-Mar 2000 | past |
| Department of Community Health, School of Medicine and Dentistry | Jan 2022-Nov 2023 | past |
| Department of Epidemiology and Biostatistics, KNUST School of Public Health | Aug 2022 | current |
| Department of Community Health, KNUST School of Medicine and Dentistry | Nov 2024 | current |
