2018 --2020
Dean, Faculty of Integrated Management Sciences
2017--Date
Member, University Council
2014--2018
Dean, Faculty of Mineral Resources Technology
2013--
Lead consultant; Heterogeneity studies on the ore from Adansi property
2013--
Lead consultant; Comparative study of gold leaching using cyanide and Jinchan gold dressing agent
2013--
Lead consultant; Gravity gold recovery and cyanide amenability studies on CIL feed at Iduapriem Mine of AngloGold Ashanti
2013--
Lead consultant; Gravity gold recovery and cyanide amenability studies on Pampe phylite and carbonate ores from Bogoso mine of Golden Star Resources
2012--
Lead consultant; Ascertaining the acid rock generating potential at Ajoppa
2012--
Lead consultant; Optimisation of High Pressure Grinding Rolls (HPGRs) at the Tarkwa Mine of Gold Fields Ghana Ltd
2012--2014
Vice Dean, Faculty of Mineral Resources Technology
2012--2014
Head, Department of Minerals Engineering
2011--
Lead consultant; Metallurgical audit of the CIL plant at Tarwa Mine of Gold Fields Ghana Ltd
2011--
Lead consultant; CIL agitation study at the Wassa Mine of Golden Star Prestea Bogoso Resources
2011--2012
Professorial Member, University Council, UMaT
2010--2013
Principal Investigator; Artisanal mining, smallholder farming and economic development: developing a strategy for poverty alleviation in rural Ghana (funded by Delphe, UK)
2010--2015
Principal Investigator; Climatic extremes, land disturbance and Mycobacterium Ulcerans (funded by National Science Foundation, USA)
2008--2012
Dean of Students
2008--2012
Dean of Students
2008--Date
Resource Person for Planning and Quality Assurance Unit on Effective Lecture Delivery
2007--date
Manager, Process Innovations
2007--to date
Chief Executive Officer; Process Innovations
2006--2008
Head, Department of Mineral Engineering
2006--date
Course Director, Metallurgical plant operations and control/Gold plant laboratory operations
2006--date
Consultant, Ghana mercury pollution abatement project
2006--2010
Consultant; Ghana mercury pollution abatement project
2006--2008
Head, Department of Mineral Engineering
2006--Date
Course Director, Metallurgical plant operations and control/Gold plant laboratory operations
2005--2005
Lead consultant for a team that tested and developed a flowsheet for extracting/processing gold ore from Beattie Mine tailings for Archibald and Associates, Canada
2005--
Member, team of consultants that tested samples supplied by OreZone Inc and developed a flowsheet for the Seguenga Gold Deposit, Burkina Faso
2005--
Lead consultant; team that tested and developed a flowsheet for extracting/processing gold ore from Beattie Mine tailings for Archibald and Associates, Canada
2000--2001
Head, Department of Mineral Technology, KNUST School of Mines.
2000--2001
Head, Department of Mineral Technology, KNUST School of Mines
1997--2000
Senior Hall Tutor, Chamber of Mines Hall, KNUST School of Mines
1997--2000
Senior Hall Tutor, Chamber of Mines Hall, KNUST School of Mines
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Consultant, World Bank Project on Poverty and social impact analysis of the artisanal and small-scale gold mining in Ghana
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Visiting Professor, International Institute for Water and Environmental Engineering (2ie), Ouagadougou, Burkina Faso
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Visiting Professor, African University of Science and Technology, Abuja, Nigeria
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Resource Person for Planning and Quality Assurance Unit on Effective Lecture Delivery
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