Mr. Doug Warkentin (B.Sc., P. Eng) is a metallurgist and process engineer with 30+ years of applied mine processing expertise. Doug graduated from UBC with a degree in Mining and Mineral Process Engineering and has been a member of the Association of Professional Engineers and Geoscientists of BC since 1992. Doug is an industry innovator and entrepreneur and author of numerous technical papers and co-inventor of multiple patented process technologies. He has worked both in plant operations and contract research and has been a principal in companies providing process development services and environmental technologies to the mining industry. Areas of expertise include base and precious metal flotation, precious metal hydrometallurgy, resource recovery and treatment of mine wastes. He is currently Senior Metallurgist for Kemetco Research Inc. in Vancouver, BC.