Christian has more than twenty-seven years of experience in extraction of metals, of which eight years had been in operations and the remainder in technical sales/support and consultancy. As such Christian has had hands-on involvement and management of most unit operations. In mineral processing the experience ranges from crushing, milling, gold metallurgy, flotation to tailings management, including backfill preparation, thickening, filtration and tailings deposition. During his time in operations Christian was repeatedly selected to be integrally involved in plant upgrades and expansions and later during the time of technical support and consultancy taking projects through the full cycle of design, implementation and commissioning. He is currently responsible for mineral processing within Paterson & Cooke's North American practice based in Denver, Colorado.