Iván Arriagada. Credit: Antofagasta PLC The International Council on Mining and Metals (ICMM) has re-appointed Iván Arriagada, chief executive officer of Chilean miner Antofagasta Plc, as its chair, effective immediately over a two-year term.He will succeed Tom Palmer, who became chair in October 2024 but is retiring from his role as CEO of Newmont, the world’s largest gold mining company, at the end of this year.ICMM is governed by its council comprising the CEOs of its 26 member companies. The chair is ap ...