Richard Tremblay will be promoted to senior VP operations and Richard Weymark had been appointed VP engineering, the Vancouver-based miner said.
McDonald joined Taseko as chief financial officer in 2013 and was appointed president in June 2019.
Before joining Taseko, McDonald held a number of senior jobs in the mining industry including chief financial officer at Quadra FNX Mining Ltd.
Tremblay has more than 30 years of experience in mining operations in British Columbia and has been a key member of the team since joining Taseko in 2014 as GM of the Gibraltar mine.
Weymark joined the company three years ago as chief engineer and previously spent 10 years in progressively senior roles at Teck’s Highland Valley Copper operation including roles in mine engineering, mine operations and tailings dam construction.
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Taseko, operator of its 75%-owned Gibraltar open-pit mine in B.C., is awaiting a final permit decision by the US government’s Environmental Protection Agency (EPA) on its Florence Copper in-situ recovery project in Arizona.