Nathan Stubina joined Sherritt International as VP Technologies in November 2018. Prior to that, he was Managing Director of Innovation for McEwan Mining. With 30 years of international industrial experience, Nathan also worked at various major mining companies including Barrick Gold Corp., Noranda Inc., and Falconbridge Ltd.

Nathan holds a PhD in Metallurgy and Materials from the University of Toronto, and a B.Eng in Mining and Metallurgical Engineering from McGill University.

Nathan is currently a member of PEO, and was VP International of the CIM. he is a Past-President of MetSoc (Metallurgy and Materials Society of the CIM), a certified Six Sigma Master Black Belt and a member of the Lassonde Institute of Mining's Advisory Committee at the University of Toronto. Dr. Stubina was names as a Fellow of the CIM in 2012.