John Mahoney, Ph.D., Principal Geochemist at MGC, has over 25 years experience in the field of Aqueous Geochemistry.   Dr.  Mahoney has worked at numerous mining and industrial sites in the United States, Canada, Brazil, South Africa, Indonesia, Kuwait, Botswana and Peru.   

He has developed short courses on geochemical modeling including a two day course at the 2000 ICARD Conference. He was also invited to instruct at courses held at the University of Alberta (Edmonton) in 2006 and 2008.  He has also prepared several client specific training sessions on Acid Rock Drainage, and Geochemical Modeling.