Head of Security Services, KNUST, March 10, 2004 to December 2004.

Head, Department of Mechanical Engineering, February 2005 –Sept 30, 2006.

Dean, Faculty of Mechanical and Agricultural Engineering, October 01, 2006 – Sept. 30, 2007.

Head, Department of Mechanical Engineering, KNUST (2010-2012 &2015 – 2017)