Ms. Winckler joined Pan American’s Board of Directors in 2016 and was appointed Chair on May 12, 2021. She Chairs the Human Resources and Compensation Committee, and is a member of the Audit Committee and the Nominating and Governance Committee. Ms. Winckler is a former mining and business executive with over 25 years of diversified experience in the metals and mining industry and the financial sector. Ms. Winckler spent 16 years with BHP Billiton in London, England and Vancouver, Canada where she was involved with corporate and divisional strategy, mergers and acquisitions, divestments, exploration as well as project evaluation and development. She subsequently joined Coalspur Limited, serving as CEO and President and also serving as CFO for a brief period. Prior to the mining industry, Ms. Winckler spent five years as a corporate financier in South Africa and London and five years in the auditing profession. Ms. Winckler is a Chartered Accountant (South Africa), with a BSc and BComm (Hons) obtained in South Africa. Her professional expertise includes mergers and acquisitions, strategic planning, IFRS, GAAP, risk management and regulatory reporting.