Usmar has more than 30 years of industry experience, with his latest role as founder and chief executive officer at Triple Flag Precious Metals Corp., a Toronto-based streaming company. He previously worked at Barrick Gold Corp., where he was chief financial officer between 2014 to 2016, and held earlier roles at Xstrata Plc and BHP Billiton, according to his biography on Triple Flag’s website.
At Vale Base Metals, he would oversee an operation with assets in Canada, Brazil and Indonesia. Vale separated the nickel-and-copper division from its iron ore operations last year and sold a 10% stake to Saudi Arabia as part of a plan to unlock value from the unit.
Vale Base Metals has been without a CEO since March, when Deshnee Naidoo stepped down. Since then, the division has been led by former Anglo American boss Mark Cutifani, who was recruited last year as chairman of the unit. Cutifani unveiled a plan last month that includes…


