David Dreisinger, PhD., P.Eng.

A member of the board of directors since 2003, Dr. Dreisinger chairs the technical steering committee and serves on the health, safety, environment and communities committee, the business development and risk management committee, the nominating and corporate governance committee and audit committee.

Dr. Dreisinger is professor and chairholder of the Industrial Research Chair in Hydrometallurgy at the University of British Columbia. He has published more than 200 papers and has been extensively involved as a process consultant in industrial research programs with metallurgical companies. Dr. Dreisinger has participated in 16 U.S. patents for work in the areas of pressure leaching, ion exchange, removal of impurities from process solutions, use of thiosulfate as an alternative to cyanide in gold leaching, leach-electrolysis treatment of copper recovery from sulfide ores, and the Sepon copper process for copper recovery from sulfidic-clayey ores.

He also serves as a director of Search Minerals Inc. and as vice president of metallurgy/process for Baja Mining Corp, Clifton Star Resources Inc. and South American Silver Corp. He resides in British Columbia, Canada.