July 09 2021-Present               Chairman, College Research Grant Development Committee 

December 2020-No. 2022:       College Mentorship Coordinator, College of Agriculture and Natural Resources

1st Aug 2020-31 July 2022       KNUST Representative on Governing Council of Data Link Insitute of Business and Technology, Tema

August 2017--2020                   PROVOST, College of Agriculture and Natural Resources

August 2015-Present                 PROFESSOR

Oct. 2012-Present                     DEAN, Faculty of Renewable Natural Resources

Oct.  2009-Present                    Appointed Associate Professor

Oct.2002-Sept. 2012                 HEAD, Dept. of Fisheries and Watershed Management

Jan. 2005-Sept. 2007                DEAN, Faculty of Renewable Natural Resources,

Oct. 2002-Sept.-2004:               DEPUTY DIRECTOR, Institute of Renewable Natural Resources (IRNR)

Feb. 1990                                 Appointed Lecturer in Fisheries and Watershed Management, IRNR