Relationships are important to us.
We look forward to getting to know you.


  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.


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 Team

Daniel Snowball,

Chief Procurement Officer

Daniel is our Chief Procurement Officer, ensuring that Tamarack is delivering value to both our members and strategic supply partners. He has spent the last 10 years exclusively in supply chain and procurement for mining organizations, leading large scale programs in the Americas, Africa and Australia. Previously heading up Deloitte Canada's mining and metals supply chain and procurement practice, he has worked extensively for organizations across all aspects of the mining value chain.  

Tane Uribarren


When it comes to creating supply strategy and saving money, Tane's expertise is highly sought after. Tane has 15+ years of consulting experience, managing cost reduction through resource optimization, sourcing and procurement, revenue growth, commercial and marketing strategy, as well as business transformation projects. She will bring cross-industry insights from her experience in various industries, including Mining, FMCG, Financial Services, Healthcare, Food and Beverage, Retail, Automotive, and Manufacturing, both nationally and around the globe.


Damien O’Reilly

Technical Advisor

Our expert on what you'll need and when you'll need it, Damien has an extensive operational background. In a career spanning four decades he has been actively engaged in the establishment and management of a significant number of surface and underground mining operations across the minerals spectrum. Over the past five years he has been engaged by Lee and his Associates on assignments in North and South America, Australia, the Middle East, China and Korea. These projects have ranged from exploration, explosives manufacture and procurement, mining equipment selection and maintenance, parts and material supply.

Dr. Anne- Marie Van Wyk,


Over the past 20 years, Anne-Marie has worked in business and client relationship development across diverse aspects of supply chain management and has deep experience in multiple sectors, including mining and manufacturing. Prior to joining Tamarack Mining Services, she headed South Africa’s Business Innovation team at Imperial Logistics where her key focus was the implementation of standardized processes and technologies, while leveraging insights to empower business decisions. Her earlier career includes various executive positions focused on supply chain operations and information technology.