2012--2013
Consultant, Newmont Gold Ghana Limited
2011--Date
Member, Univ. Appointments and Promotions Committee
2011--Date
Consultant, Perseus Mining Ghana Limited (PMGL)
2009--Date
Member, UMaT Council
2008--2008
Flood peak discharge estimation for Block 7 & 8 AGAIM
2008--2010
Consultant, Tagit Consult
2007--date
Dean, Faculty of Mineral Resources Technology, UMaT
2007--date
Consultant, SGS Environment, Ghana
2007--2007
Geotechnical Drilling for SRK, South Africa at Essakane, Burkina Faso
2007--Date
Member, Executive Committee
2007--Date
Member, Scholarships Committee
2007--2011
Consultant, SGS Environment
2006--2006
Hydrogeological studies on Block 4 AngloGold Ashanti Iduapriem Mine
2005--date
Consultant, Leo Shield Exploration Company, Ghana
2005--date
Consultant, Tagit Consult, Accra, Ghana
2005--Date
Consultant, AngloGold Ashanti Iduapriem Limited
2005--2008
Consultant, Sun Gold Resources
2004--2005
National Coordinator for SRK, UK-Bid for National Env'tal EIA over Mining and Exploration areas and SEA in Ghana
2004--Date
Consultant, Ghana Manganese Company Limited
2003--2007
Head of Geological Engineering Department, UMaT
2003--Date
Member, Academic Board
--Oct 2012
Pro Vice Chancellor
--Dec 2010
Dean, Faculty of Mineral Resources Technology, UMaT
--Jul 2007
Head of Geological Engineering Department, UMaT