Tamarack is the first Group Purchasing Organization (GPO) for the mining industry. We are a deeply experienced sourcing team and a powerful consortium of market leaders, dedicated to the mining industry.


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Lee Barter

Co-Founder & Chief Operations Officer

Lee co-founded Tamarack, building on over 20 years’ experience as a global procurement and supply chain leader. Lee is the COO of Tamarack and leads sourcing activities on behalf of member organizations. Lee previously spent 16 years as a consultant and Partner at Deloitte, serving in various leadership roles, including Americas Sourcing & Procurement Leader, Energy & Resources Industry Leader for Deloitte Chile, and Supply Chain practice leader for Deloitte Canada. Lee also worked as a sourcing & procurement specialist for Irving Oil Ltd.


Lee has delivered sourcing & procurement programs that have generated over $1b in cost savings while working with senior and junior mining companies on six continents. Lee has deep experience in global mining supply markets across all facets of sourcing and operations. Lee speaks and publishes widely on procurement topics in such outlets as the Globe & Mail, Forbes, and the Wall Street Journal. He holds B.Sc (Biology) and B.A. (Economics) degrees from the University of New Brunswick.


Ben-Schoeman Geldenhuys

Co-Founder & Chief Commercial Officer

Ben-Schoeman is a co-founder of Tamarack Mining Services with over 15 years of experience in the mining industry from within industry and professional services.  Prior to the formation of Tamarack Mining Services, Ben-Schoeman led the Deloitte Mining Practice in Toronto. Prior to joining Deloitte in 2014 as National Mining Tax Leader for Canada and Chile, Ben-Schoeman lead the KPMG Mining Tax Group in Johannesburg. Ben-Schoeman spent 6 years with the Anglo American plc. Group of Companies working across the coal, base metals and platinum divisions.  Ben-Schoeman has acted as audit committee member for group companies and board director for subsidiaries.  As a tax lawyer he gained extensive experience in supply chain and procurement related matters across various jurisdictions working within the supply chain environment for mining companies.  He is an admitted attorney in South Africa and holds various post graduate degrees from Universities in South Africa and Canada.  He has authored a number of articles related to mining taxation and financing and regularly speaks at industry events.

Tamarack Leadership

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Daniel Snowball,

Chief Procurement Officer

Daniel ensures that Tamarack is delivering both value to our members and excellent opportunities for our supply partners.


Anne-Marie Van Wyk,

Chief Enablement Officer

Anne-Marie delivers business and client relationship development across and brings expertise from both the mining and manufacturing sectors.

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Tane Uribarren,

Executive Vice-President – LATAM 

When it comes to creating supply strategy and saving businesses money, Tane's expertise is highly sought after. 


Randy Ouimet,

Vice-President – Canada 

A key person for customer engagement and business development, Randy has over 30 years’ experience serving mining related industries.