Roy Slack


Roy Slack


CIM Fellowship


Metal Mining Society Award

Past President of CIM (2019-2020)

“For his exceptional contributions to CIM and to the sustainability of Canadian contracting companies related to the mining industry.”

Roy Slack is a professional engineer who graduated from Queen’s University in Kingston in 1982 with a degree in mining engineering. Since graduation, he has been involved in mine construction and engineering projects throughout Canada and the world.

In late 1998, he began Cementation’s operations in North America. Cementation is an underground hardrock mine contracting and engineering firm that builds new mines and expands existing mines for mine owners. Today, Cementation is one of the largest underground mine contractors in North America. The company has been recognized as one of the top 100 employers in Canada for the last three years running by MediaCorp and Macleans magazine. Cementation has also been recognized as one of the Financial Post’s 2009 ten best companies to work for.

Slack is a long-standing CIM member and chairman of the CIM Northern Gateway Branch. He has been a signing authority for the Ontario Common Core program since 1990. He has been actively involved in a number of safety organizations, including as a director of the Ontario Mine Contractor’s Safety Association, MASHA Technical Advisory Committees, chair of the Shaft Sinking Regulations Review Committee, and is currently a member of the CEO Health & Safety Leadership Charter. In the fall of 2008, Slack was awarded the Engineer’s Medal for Entrepreneurship by the Professional Engineers of Ontario.