2006--date
Chairman, Social Responsibility Agreement Forum, Newmont Ghana Ltd.
2004--date
Vice Chancellor, University of Mines and Technology, Tarkwa.
2004--date
Vice Chairman, Board of Trustees, Wassa Fiase Education Fund.
2003--date
Founding Member, Alliance for Earth Science, Engineering and Development in Africa (AESEDA).
2003--date
Chairman, Takoradi Polytechnic Council.
2002--2004
Provost, Western University College of KNUST, Tarkwa.
2002--2002
Member, Search Committee for the Appointment of Vice-Chancellor for KNUST.
2002--date
Member, Editorial Board of the Ghana Journal of Science.
2001--date
Chairman, Academic Board, Western University College of KNUST, Tarkwa.
2001--date
Member (in attendance), University Council, KNUST, Kumasi.
2001--2002
Chairman, Committee for the Review of KNUST Criteria for Appointment and Promotion of Senior Members (Academic).
2001--date
Chairman, Board of Hospital Endowment Fund, Tarkwa Government Hospital.
2000--date
Member, University Appointment and Promotions Committee, KNUST, Kumasi.
1999--2002
Principal, KNUST, School of Mines, Tarkwa.
1999--date
Member, Executive Committee of KNUST, Kumasi.
1999--date
Member, Technical Committee of Ghana Chamber of Mines.
1997--date
Member, National Disaster Management Organisation, Ghana.
1996--date
Member, New York Academy of Science.
1994--1998
Head, Mining Engineering Department, KNUST, School of Mines, Tarkwa.
1994--date
Member, Seminar/Publications Committee, KNUST School of Mines, Tarkwa.
1994--date
Member, Academic Board, KNUST, Kumasi.
1993--1993
Member, KNUST Capacity Building Committee, UST, Kumasi.
1992--1999
Chairman, Procurement Committee, KNUST School of Mines, Tarkwa.
1992--1993
President, University Teachers Association of Ghana (UTAG), KNUST School of Mines, Tarkwa.
1992--1993
Panel Leader for Computer Science, Polytechnic Syllabus Writing National Task Force, Ministry of Education, Ghana.
1991--1991
Chairman, Labour Rationalization Committee, KNUST School of Mines, Tarkwa, Ghana.
1991--1999
Head, Computer Section, KNUST School of Mines, Tarkwa.
1989--1998
Member, Consultancy Committee, KNUST School of Mines, Tarkwa.
1987--date
Member, Inst. of Mining and Metallurgy, UK.
1986--date
Member, American Soc. of Min. Engineers, USA.
1984--1985
Secretary, University Teachers Association of Ghana (UTAG), KNUST School of Mines, Tarkwa.
1983--1985
Hall Tutor, Chamber of Mines Hall, KNUST School of Mines, Tarkwa.
1982--1985
Academic Counterpart, German Technical Aid (GTZ), UST School of Mines, Tarkwa.
1980--1981
Technical Mining Engineer, Prestea Goldfields Ltd, Prestea, Ghana.