Dr. David Dreisinger, Ph.D
Director & Vice President Metallurgy
Dr. Dreisinger holds the position of Industrial Research Chair, Hydrometallurgy at the University of British Columbia where he has been a Professor since 1988. He has over 300 publications to his credit and has been involved as a process consultant for metallurgical companies for many years. He has participated in 24 U.S. patents for work in areas such rare earth extraction, pressure leaching of ores and concentrates containing gold, copper, nickel, cobalt and platinum group metals, ion exchange removal of impurities from process solutions and use of thiosulfate as an alternative to cyanide in gold leaching. Dr. Dreisinger co-invented the Mt. Gordon Copper Process for copper recovery from sulfide ores and the Sepon Copper Process for copper recovery from sulfidic-clayey ores. He has been actively involved in the development of the Search Minerals Direct Extraction Process for recovery of rare earth metal products from Search’s mineral properties. Dr. Dreisinger has received many awards from the CIM, the AIME (TMS and SME) and others for his academic and industrial developments. He is a fellow of the CIM (Canadian Institute of Mining and Metallurgy and Petroleum) and both the Canadian Academy of Engineering and Engineers Canada. He serves as a director of Polymet Mining Corp., Euro Manganese, Cascadero Copper and Search Minerals and serves as an officer of Camrova Resources and Search Minerals.