PolyMet Mining Corp. announced the appointment of Matthew Rowlinson to the board of directors, replacing Nathan Bullock, who stepped down. Rowlinson's appointment and Bullock's resignation is effective immediately. Rowlinson leads business development for Glencore's copper assets group. He brings a broad range of mining and metals experience from multiple strategic finance roles across different production chains and geographies and exposure to global marketing strategies of different products. He has led and been involved with many of Glencore's copper divestments, mergers and acquisitions and has held various board positions for the group which included the Collahuasi and Antamina copper properties in Chile and Peru, respectively. Rowlinson joined Glencore in 2013 as an asset manager responsible for Latin American assets. He subsequently was named CFO of Copper Latin American Mining and Global Copper Smelting and Refining Assets, then CFO of Copper Latin American Mining and Joint Venture Assets Copper, followed by CFO, Copper Americas (mining and metallurgical assets). He was appointed to his current position earlier in year 2021.