Session 2D - Circular economy and reusing materials
Life of Mine
Tuesday, July 29, 2025 |
11:00 AM - 12:10 PM |
Sponsored By:
|
Speaker
Paul Greaney
Australian Market Leader - Energy and resources
GHD
Session Chair
Biography
Paul brings 30 years of project management and senior leadership experience across many industries, including mining, rail, ports, power, water, petrochemical and general construction, including managing major studies and EPCM projects in Australia, Canada and PNG.
Ms Erin Littlewood
Principal Consultant - Sustainability Lead
IEMA
Integrating Circular Economy Principles into Mine Closure Planning
11:00 AM - 11:15 AMBiography
Erin Littlewood is a sustainability and strategy expert with extensive experience across the public and private sectors. As Principal Consultant and Sustainability Lead at IEMA, Erin provides businesses with strategic insights and practical solutions to navigate complex regulatory landscapes, manage risks, and capitalise on sustainability opportunities.
Erin leads IEMA’s sustainability advisory service line, partnering with organisations to develop resilient strategies aligned with global best practice. Her expertise includes ESG reporting, climate risk assessment, stakeholder engagement, and nature-positive initiatives. She focuses on building robust sustainability frameworks that enhance compliance, mitigate risks, and strengthen the social licence to operate.
An advocate for innovation in mine closure, Erin integrates advanced tools such as Geographic Information Systems (GIS) and climate scenario analysis into decision-making. Her work ensures sustainable closure planning and optimised post-mining land use that benefits communities and ecosystems alike.
With a collaborative approach and deep subject matter expertise, Erin supports the mining sector in achieving meaningful, long-term environmental and societal outcomes. Her goal is to help clients set new benchmarks for sustainable mining operations and meet the demands of a rapidly evolving regulatory and environmental landscape.
Dr Ana Fernandez-Iglesias
Director Sustainable Mining Portfolio
ArcelorMittal R&D
Circularity in Mining: Innovation Strategies for Tailings as a Resource
11:15 AM - 11:30 AMBiography
Dr. Prof. Ana Fernandez-Iglesias
Chemical Engineer specializing in environmental sustainability, she holds a PhD in the sustainability of mining waste management. With over 17 years of R&D experience in the steel and mining industry, her focus has always been on technological innovation for sustainability and the circular economy.
She is currently the Director of the Sustainable Mining Portfolio at ArcelorMittal Mining R&D, where she coordinates all R&D projects related to sustainability in ArcelorMittal's iron ore mines worldwide. Prior to this role, she led dedicated R&D teams, labs, and pilot plants focused on optimizing resource sustainability through technology.
She also enjoys teaching at the University of Oviedo, promoting STEM careers among young students, and exploring the circular economy beyond mining. This includes her role as a specialist at the Greening The Islands Foundation, which supports the sustainability of islands worldwide.
Mr Megatoni Hasudungan Gultom
Head of HSE
Harita Nickel
Utilization ex-pit Mine as Backfill Facility for Nickel Waste Management in Western Obi Island Project.
11:45 AM - 12:00 PMBiography
The Director of Harita Nickel Group with over 30 years of experience in the mining industry—covering copper, gold, bauxite, nickel, and coal—as well as in refinery operations, including alumina, pyrometallurgy (RKEF), and hydrometallurgy (HPAL). Tonny Gultom has specialized in project development, management, operations and HSE. He is also expertise in IFC Performance Standards and ESG (Environmental, Social, and Governance) since 2015. He was once an international consultant in due diligence, capacity building, environmental management, and water resources, with extensive hands-on field experience.
Long-term project assignments: North Maluku (10 years), Sumbawa (10 years), North Sulawesi (7 years), and West Java (7 years).
Dr Loren Nicholls
PhD Candidate
Sustainable Minerals Insitute
The power of geometallurgical characterisation – how to turn legacy tailings into assets
12:00 PM - 12:15 PMBiography
Loren submitted her PhD on geometallurgical characterisation of mine waste at the University of Queensland in December 2024. After a decade in the industry as an exploration geologist, Loren leveraged her geochemistry and mineralogy expertise to focus on mine waste transformation and economic rehabilitation through her PhD research. Now working in Closure R&D, Loren bridges research innovation with industry application, working a multi-disciplinary capacity between geology, geophysics and metallurgy. Loren was an AusIMM EEF 2023 scholarship holder and is a current committee member of the Southeast Queensland Branch.
Paul Greaney
Australian Market Leader - Energy and resources
GHD
Q&A with Session Chair
Biography
