Horizonte Minerals plc has appointed John MacKenzie as a non-executive director (NED), effective immediately.
Mr MacKenzie has more than 30 years’ operational and investment experience in the metals and mining sector, and is currently chief executive officer and director of Capstone Copper Corp.
He was the founder and executive chair of Mantos Copper before its merger with Capstone Mining in 2022.
Mr MacKenzie has extensive operating and construction experience particularly in South America as part of Anglo American where he was an executive committee member and CEO of Copper at Anglo American plc and CEO zinc at Anglo Base Metals.
He was also general manager at their Minera Loma de Niquel mine and smelter in Venezuela, an RKEF ferronickel operation similar to Horizonte’s Araguaia project, and previously a NED of KAZ Minerals plc.
Mr MacKenzie has 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 has completed the Advanced Management Programme at Harvard Business School.