• Directors

    High Grade Silver Discovery & Development

Peter Barnes, Independent Director 1 3

Chair of the Board / Member of the Audit Committee / Member of the Governance & Nomination Committee

Mr. Barnes is Chairman of the Board of MAG Silver Corp., and is a Fellow of the Institute of Chartered Accountants of BC.  Mr. Barnes co-founded Wheaton Precious Metals (formerly, Silver Wheaton Corp.) in 2004, and served as their CEO from 2006 to 2011.  He was a member of the Silver Institute’s Board of Directors from 2009 to 2011.  In 2010, Mr. Barnes was honoured with the Ernst & Young Entrepreneur of the Year Special Citation Award for Innovative Global Strategies, along with the Pacific Region Award for Mining and Metals.  Mr. Barnes is a CGIC Accredited Director and is a member holding the ICD.D designation with the Institute of Corporate Directors. 


Tim Baker, Independent Director 2 4 5

Chair of the Compensation & Human Resources Committee/ Member of the Health, Safety, Environment & Community Committee / Member of the Technical Committee

Mr. Baker has a B.Sc. in Geology from Edinburgh University and has substantial experience in operating international mines and projects. He was Executive Vice President and Chief Operating Officer of Kinross Gold Corporation before retiring in 2010. Prior to joining Kinross, Mr. Baker was with Placer Dome, where he held several key roles including Executive General Manager of Placer Dome Chile, Executive General Manager of Placer Dome Tanzania and Senior Vice President of the copper producing Compañia Minera Zaldivar. Mr. Baker is currently a director of Triple Flag Precious Metals and RCF Acquisition Corp. He has previously been a director on the boards of Golden Star Resources (Chair of the Board), Sherritt International, Augusta Resources, Antofagasta PLC, Eldorado Gold, Rye Patch Gold (later Alio Gold) and Pacific Rim Mining. Mr. Baker is a member of the Institute of Corporate Directors and holds the ICD.D designation.


Jill Leversage, Independent Director 1 2 3

Chair of the Governance & Nomination Committee / Member of the Audit Committee / Member of the Compensation & Human Resources Committee

Ms. Leversage has over 30 years of experience in the financial advisory and services sector.  She began her finance career at Burns Fry Ltd., and has held senior level positions at both RBC Capital Markets and TD Securities.  Ms. Leversage currently serves on a number of public and government related boards including Aurinia Pharmaceuticals Inc., RE Royalty Ltd., Insurance Corporation of BC, CMAIO and the Vancouver Airport Authority.  She is a Fellow in the Institute of Chartered Professional Accountants, a CGIC Accredited Director, and is also a Chartered Business Valuator (ret.) of the Canadian Institute of Chartered Business Valuators.


Selma Lussenburg, Independent Director 3 4

Chair of the Health, Safety, Environment & Community Committee / Member of the Governance & Nomination Committee

Ms. Lussenburg is a business executive, former General Counsel, Corporate Secretary and current board director with over 35 years of business experience.  She has held various senior executive positions encompassing a broad range of legal, governance, compliance, pension, safety and security, and operational responsibilities. Ms. Lussenburg currently serves on several other boards and committees, including Ontario Power Generation. Ms. Lussenburg is also a Canadian private sector member on the CUSMA 31.22 Advisory Committee on the resolution of private commercial disputes. Ms. Lussenburg has served as General Counsel and Corporate Secretary for AT&T’s operations in Canada, for the Ontario Municipal Retirement System (OMERS), and most recently at Toronto Pearson International Airport where her responsibilities included legal, governance, safety and security operations. Ms. Lussenburg has an undergraduate law degree (LLB) (University of Ottawa) and other degrees including a Masters of International Law (LLM) (Australian National University). Ms. Lussenburg has been appointed King’s Counsel (KC) and holds a C.Dir professional designation from the Directors College and a GCB.D professional designation with respect to ESG from Competent Boards. 


Dan MacInnis, Independent Director 4 5

Member of the Technical Committee / Member of the Health, Safety, Environment & Community Committee

Mr. MacInnis has over forty years of experience in worldwide mineral exploration, including Mexico, and was President and CEO of MAG Silver from 2005 to 2013. He has managed and directed multimillion dollar exploration programs for Noranda Exploration, Battle Mountain Gold/Hemlo Gold and Sargold Resources.  Mr. MacInnis has extensive global experience in property acquisitions and joint venture negotiations and operation.  A significant number of mineral discoveries have been made under his guidance.  Discoveries include gold and base metal deposits in the US, Canada and Mexico. Mr. MacInnis is a graduate of Saint Francis Xavier University with a BSc. in Geology.  He is also currently Chair of Group Eleven Resources and is a CGIC Accredited Director.


Susan Mathieu, Independent Director 4 5

Chair of the Technical Committee / Member of the Health, Safety, Environment & Community Committee

Ms. Mathieu has more than 25 years of international mining experience in due diligence, exploration, project development, permitting, construction and operations roles. Her mining experience covers the full spectrum from mine-site to corporate leadership roles in governance, environment, sustainability, community, health and safety, compliance and risk management programs and strategies. She has continually proven the ability to affect and contribute to change in diverse organizational cultures through building relationships, leadership in executing work and integrating compliance functions into governance systems and business processes. Since Ms. Mathieu commenced her career with Placer Dome, she has progressed to increasingly senior environmental, safety and sustainability roles with Falconbridge, NovaGold Resources, Centerra Gold, BHP Billiton, Golder Associates and NexGen Energy. Ms. Mathieu holds a BSc. (Honours) and MSc. in Biology from the University of Saskatchewan, and an Executive MBA from the Beedie School of Business, Simon Fraser University. She holds the ICD.D designation and is an active member of the Institute of Corporate Directors.


George Paspalas, Director, President and CEO


Mr. Paspalas joined MAG in October 2013. Formerly, he was the President and CEO of Aurizon Mines, Chief Operating Officer of Silver Standard Resources Inc., and President and CEO of Placer Dome Africa, along with many operational and project development roles with Placer Dome. During his career, Mr. Paspalas has been responsible for constructing and operating complex open pit and underground mines in South Africa, Tanzania, Australia, South America and Canada. Mr. Paspalas earned a Bachelor of Engineering (Chemical) degree with Honours from the University of New South Wales in 1984. Mr. Paspalas is also a CGIC Accredited Director.


Dale Peniuk, Independent Director 1 2

Chair of the Audit Committee / Member of the Compensation & Human Resources Committee

Mr. Peniuk is a Chartered Professional Accountant (CPA, CA) and corporate director. Mr. Peniuk currently serves on the Board and as Audit Committee Chair of Lundin Mining Corporation, Argonaut Gold Inc. and Kuya Silver Corporation, and has been on the Board and Chair of the Audit Committee of numerous other Canadian public mining companies since 2006. Mr. Peniuk obtained his Bachelor of Commerce degree from the University of British Columbia in 1982 and his Chartered Accountant designation from the Institute of Chartered Accountants of British Columbia (now the Chartered Professional Accountants of British Columbia) in 1986, and spent more than 20 years with KPMG LLP Chartered Accountants and predecessor firms, the last 10 of which as an assurance partner with a focus on mining companies, including leading KPMG’s Vancouver office mining industry group.


  • 1Independent member of the Audit Committee
  • 2Independent member of the Compensation & Human Resources Committee
  • 3Independent member of the Governance and Nomination Committee
  • 4Independent member of the Health, Safety, Environment, and Community Committee
  • 5Independent member of the Technical Committee

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