Deborah McCombe is a professional geoscientist. She has more than 30 years of international mineral exploration and mine development project experience and is widely recognized throughout the Canadian and international mining industry. In her role as President of Roscoe Postle Associates, now SLR Consulting Ltd, McCombe focusses on due diligence reviews, mineral resource and mineral reserve estimates, feasibility studies, and valuations in connection with mergers and acquisitions.

Prior to joining RPA, McCombe was chief mining consultant for the Ontario Securities Commission and was involved in the development and implementation of NI 43-101 Canadian Disclosure Standards for Mineral projects. She is co-chair of the CIM Mineral Resource and Mineral Reserves Committee; was president of the Association of Professional Geoscientists of Ontario (2010/2011); is a member of the Canadian Securities Administrators Mining Technical Advisory and Monitoring Committee (MTAMC) and continues as a Canadian representative to the Committee for Mineral Reserves International Reporting Standards (CRIRSCO) after being past chair. She also serves on the board of directors of Agnico Eagle Mines Limited.