Turquoise Hill Resources announced the departure of non-independent director Alan Chirgwin. Effective 17 September 2020, Chirgwin's resignation reportedly corresponds with his personal decision to leave the company. In conjunction, the company's board has elected Alfie Grigg as its director effective 18 September 2020. Currently, Grigg serves as the chief counsel, Pacific for Rio Tinto's Aluminum business leading the legal and regulatory activities for its bauxite mines, alumina refineries, aluminum smelters and associated power generation assets in the Pacific region.