Dr. David Dreisinger has been a member of the faculty of the Department of Materials Engineering since 1988 and is currently Professor and Chairholder of the Industrial Research and Chair in Hydrometallurgy at the University of British Columbia. He has published over 280 papers and has been extensively involved as a process consultant in industrial research programs with metallurgical companies. Dr. Dreisinger has participated in 21 U.S. patents for work in areas such as lead concentrate processing, pressure leaching, ion exchange removal of impurities from process solutions, use of thiosulfate as an alternative to cyanide in gold leaching, and the Sepon Copper Process for copper recovery from sulfidic-clayey ores. Dr. Dreisinger serves as President and Chief Executive Officer of InCoR Technologies Limited, a director of Search Minerals, Inc. and PolyMet Mining Inc. and as Vice President – Metallurgy for each of Camrova Resources, Inc., Search Minerals Inc., and TriMetals Mining Inc.