Driving sustainable investment in African Mining

Trina Gill

ESG Director Rio Tinto, SimFer

Petrina (Trina) Gill leads the environmental, social and governance (ESG) function for the Simandou project. Together with ESG strategy, she also manages the health, safety, security, environment and communities (HSSEC) activities within the non-managed joint venture entities. With deep expertise in social performance, stakeholder consultation, and sustainable development, she works closely to drive venture HSSEC performance and long term strategy while fostering positive impact. She plays a key role in securing alignment on ESG practices across the project and joint ventures to reinforce the project's commitment to community development, biodiversity, ecosystem restoration, and responsible development.


2026 Agenda Sessions

Is a circular economy just?

A circular economy is undoubtedly better for the planet by reducing pressure on new extraction, but can it be good for people too? How can we avoid it "kicking away the ladder" for development in producing countries if the world's demand for primary metal falls?

Wednesday 11 February 09:30 - 10:15 Ngorongoro Crater Stage (CTICC1 - Level 2)

Add to calendar 02/11/2026 09:30 02/11/2026 10:15 Is a circular economy just?

A circular economy is undoubtedly better for the planet by reducing pressure on new extraction, but can it be good for people too? How can we avoid it "kicking away the ladder" for development in producing countries if the world's demand for primary metal falls?

Ngorongoro Crater Stage (CTICC1 - Level 2) Africa/Johannesburg