Appointed to the Board: 1 August 2025
John MacKenzie is a seasoned mining executive with more than 35 years of operational and investment experience in the global resources sector. He is the former Chief Executive Officer of Capstone Copper, having led the company from March 2022 to May 2025 following the merger of Capstone Mining and Mantos Copper, which he founded in 2015. His extensive leadership tenure includes serving as CEO Mining at Audley Capital, CEO Copper and member of the executive committee at Anglo American plc, and CEO Zinc at Anglo Base Metals.
John’s early career began in deep-level gold mining in South Africa, and his professional footprint spans Chile, Peru, Venezuela, Colombia, Mexico, Namibia, Ireland, Canada, Australia, and the United States. He served as a non-executive director and Chair of the Project Assurance Committee at Kaz Minerals plc from 2015 to 2021.
He holds a Master of Science in Mining Engineering from the University of the Witwatersrand, a Master of Business Leadership from the University of South Africa and completed the Advanced Management Program at Harvard Business School.
