Aris Mining Corporation announced that, effective October 1, 2022, Mónica de Greiff was appointed as an independent member of the Board of Directors, and as Chair of the Sustainability Committee of the Board. Mónica de Greiff was a member of the GCM Mining board of directors from 2018 to 2020, when she left to accept the position of Colombian Ambassador to Kenya. She has held positions in both the public and private sectors, including as Minister of Justice for the Republic of Colombia and Vice Minister of Mines and Energy.

Ms. de Greiff is also a former member of the Board of Directors of the United Nations Global Compact, the world's largest corporate sustainability initiative.