Deirdré Lingenfelder was appointed as the Chief Executive Officer of Oyu Tolgoi in March 2022. Deirdré is a highly experienced leader in the mining industry. She joined Rio Tinto in 2017 as the Vice President for Health, Safety, Environment (HSE) and Communities, Copper Group. In this role, she drove a focused effort to implement HSE and Sustainability strategies across the global Copper asset portfolio, including at Oyu Tolgoi.
Prior to Rio Tinto, Deirdré worked in diverse global leadership roles in Anglo American and De Beers and held various leadership and Board-level roles. She has over 20 years of experience in sustainability and operational leadership within the multi-commodity mining and industrial sectors.
She holds multiple Master's degrees from the University of Johannesburg in Science, and Commerce respectively.