Our Team

Senior Management

Clynton R. Nauman, B.Sc. (Hons)

President and CEO, Alexco Resource Corp.

Mr. Nauman brings over 35 years of diversified experience in the mineral industry, ranging from exploration and business development to operations and business management in the precious metals, base metals and coal sectors. Mr. Nauman is a co-founder of AEG and Alexco Resource Corp. and provides the strategic direction for AEG. Mr. Nauman has held various executive and operations positions with Nerco Minerals and Coal companies (now Rio Tinto), Kennecott and Viceroy Resource Corp. Mr. Nauman holds a BSc (Hons) in geology from Otago University, New Zealand.

Brad A. Thrall, B.Sc., MBA

EVP and Chief Operating Officer, Alexco Resource Corp. President, Alexco Environmental Group

Mr. Thrall brings nearly 30 years of experience and accomplishments in mine operations management, environmental management and mine-closure planning and execution. Mr. Thrall is a co-founder of AEG and Alexco Resource Corp. and is currently the President of AEG and EVP – Chief Operating Officer of Alexco Resource Corp. Mr. Thrall has held senior operational and management positions with Goldcorp, Barrick Gold and Viceroy Resource Corp. Mr. Thrall holds a B.Sc. in Metallurgical Engineering from South Dakota School of Mines and Technology and an MBA from the University of Colorado.

James Harrington, M.Sc.

Senior Vice President and Chief Technical Officer, Alexco Environmental Group

Mr. Harrington has 20 years of experience in environmental cleanup of mining, industrial, and government sites. He has led the closure design and implementation for mining sites in both the United States and Canada for base and precious metals, coal, and uranium. Jim has recently managed some of the largest groundwater remediation projects in the United States, brownfield remediation designs for smelter sites and closed mines, and creative thinking in environmental management during mining project development. Prior to joining AEG, Mr. Harrington was Vice President for ARCADIS in the corporate remediation group. Mr. Harrington holds a MSc. in microbiology and biochemistry.

Linda Broughton, B.Eng., M.A.Sc.

Vice President, Projects Alexco Environmental Group

Ms. Linda Broughton has nearly 30 years of experience and accomplishments in the areas of mine environmental engineering and mine waste management working in both operations and in consulting roles. Ms. Broughton was previously with BHP Billion where she worked for the last ten years. At BHP Billiton, Ms. Broughton was most recently the General Manager of their Reclamation and Closed Mines division responsible for the management and closure of more than 25 mines in the BHP Billiton portfolio. Prior to that Ms. Broughton was the Manager of Environment for BHP Billiton’s Copper Business based in Chile, and an engineer on the design, construction and startup of the Antamina Mine in Peru. Ms. Broughton is a Mining and Mineral Process Engineer graduated from Queen’s University and later UBC, with twenty-eight years of experience in the mining industry.


Derek Meneghin, CPA, CGA

Director of Finance, Alexco Environmental Group

Mr. Meneghin is a Canadian qualified Certified General Accountant with over 12 years of financial management and administration experience within private and public companies. His industry experience includes financial services, mining, and consulting. Derek joined Alexco in 2007 and is responsible for all aspects of corporate and financial management, and administration for Alexco Environmental Group.

T. Scott Keesey, BSc, EPt

Sr. Environmental Manager

Mr. Keesey is a Senior Project and Environmental Manager with 12 years of experience in environmental assessment and regulatory and permitting management for mining clients in Yukon. His experience has centered around managing multi-disciplinary technical teams towards successful major mine project authorizations, and has also included technical contributions and expertise in mine water management and reclamation and closure planning.

Eric J. Lancaster

Sr. Project Manager

Mr. Lancaster is a Senior. Project Manager with 13 years of experience providing management and engineering services to clients in the environmental and design fields. His experience has centered around managing project engineering, construction and design as well as the implementation of remote monitoring and remote control technologies for water treatment plants across the Yukon and Colorado. He has managed large scale reclamation, soil remediation and stabilization, and cover and grading plans to support brownfield development and mine closure. He is a registered Professional Engineer (Colorado and Yukon) and holds a Class C Water Treatment Operator License in Colorado.

Billy Ray

Sr. Project Manager

Mr.  Ray is a Senior Project Manager with 15 years of experience in mine closure and project execution including post-closure compliance and care and maintenance at former mining and milling facilities across the U.S. and Canada. His experience has been focused on the physical reclamation and the management of engineering and construction for large scale reclamation projects. He also has a wealth of experience providing contractor oversight, including construction materials testing, field inspections and laboratory testing for municipalities, utilities, and commercial, industrial, public, and private facilities.

Kai Woloshyn, BSc

Sr. Environmental Manager

Mr. Woloshyn is a Senior Project Manager and Environmental Manager with ten years’ experience on mine development, mine reclamation and closure, and hydroelectric projects in the Yukon, Northwest Territories, Nunavut and British Columbia. His technical work experience has focused in leading geochemistry and water quality assessments for the regulatory and permitting processes for Northern Canadian mining projects. Kai has successfully project managed and been the technical lead for numerous baseline studies, environmental impact assessments, regulatory licensing projects, and has led First Nation and stakeholder engagement within the Yukon.