John Hoffert is a retired consultant and a professional engineer. He has over 45 years of milling experience in various operations including grinding and flotation, SX-EW, hydraulic slurry transport, plant design and project management in Canada and abroad. He was mill manager at Kemess Mines and then at Gibraltar Mines in British Columbia before forming his own consulting company in 2006 to work on a range of projects as a QP (Qualified Person), metallurgical consultant and project manager. In 2012 he began working for Freeport-McMoRan Inc. to help design and commission the new Metcalf Mill and Molybdenum Separation Plant at Morenci in Arizona.

He has been an active member of CIM since 1977 and the Co-chair/Treasurer of the North Central BC CIM Branch from 2002 to 2004. He is currently a trustee for the scholarship program of the Canadian Institute of Mining Foundation (CIMF). He has provided training and encouragement for numerous metallurgists over the years and holds a life-long enthusiasm for the mining industry.