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.
What is John Fraser Mackenzie's net worth?
The estimated net worth of John Fraser Mackenzie is at least $16.98 thousand as of June 23rd, 2026. Mr. Mackenzie owns 500 shares of Gold Fields stock worth more than $16,979 as of July 9th. This net worth estimate does not reflect any other assets that Mr. Mackenzie may own. Learn More about John Fraser Mackenzie's net worth.
How do I contact John Fraser Mackenzie?
Has John Fraser Mackenzie been buying or selling shares of Gold Fields?
John Fraser Mackenzie has not been actively trading shares of Gold Fields within the last three months. Most recently, on Tuesday, June 23rd, John Fraser Mackenzie bought 500 shares of Gold Fields stock. The stock was acquired at an average cost of $33.31 per share, with a total value of $16,655.00. Following the completion of the transaction, the director now directly owns 500 shares of the company's stock, valued at $16,655. Learn More on John Fraser Mackenzie's trading history.
Who are Gold Fields' active insiders?
Are insiders buying or selling shares of Gold Fields?
In the last twelve months, Gold Fields insiders bought shares 2 times. They purchased a total of 1,000 shares worth more than $35,505.00. The most recent insider tranaction occured on June, 23rd when Director John Fraser Mackenzie bought 500 shares worth more than $16,655.00. Insiders at Gold Fields own 36.8% of the company.
Learn More about insider trades at Gold Fields. Information on this page was last updated on 6/23/2026.
