About Us

Skarn's senior team have been instrumental in the development of several highly successful mineral economics research and data businesses.

Charles Cooper

Charles Cooper

Co-founder, Director - Strategy & Content

Charles has over 25 years of mining industry consulting experience. He started his career as a geologist, before joining Brook Hunt where he worked as a senior mining analyst for nearly 10 years. Following this he worked as a sell-side analyst for a number of London leading investment banks including Evolution Securities and Oriel Securities.

Charles was previously Research Director at S&P Global Market Intelligence (previously SNL) where he was responsible for developing mine economic analysis. In addition he undertook numerous bespoke consulting projects. Prior to this Charles was Managing Director of The Gold Mining Company Ltd, an investment vehicle focused on acquiring operating gold mines in West Africa. Charles was also CEO of several private exploration companies targeting oil shale, gold and potash assets. He graduated from University of Wales Cardiff in Geology (B.Sc. Hons) and has an M.Sc. in Mineral Project Appraisal from University of Imperial College (London).

Charles' expertise ranges from mine and royalty valuation, commodity supply-demand analysis, technical due diligence, debt and equity financing to corporate strategy.

View Charles' profile on LinkedIn

Mark Fellows

Mark Fellows

Co-founder, Director - Commercial

Mark has over 30 years experience, providing strategic advice on metal markets, exploration, development projects, operating mines and corporate development. Mark’s expertise includes asset evaluation, benchmarking and optimisation, and encompasses, geology, mining, ore processing, and mining finance. He has conducted investment appraisals of numerous companies, mining projects and mining sector services businesses.

Prior to co-founding Skarn, Mark led the metals & mining consulting business at SNL Financial.

His career started in 1987 as an exploration geologist with Anglo American Corporation in Southern Africa. He went on to work for junior diamond and gold explorers in West and East Africa. He subsequently spent 13 years at Brook Hunt & Associates Ltd (now Wood Mackenzie) where he held the position of Director with primary responsibility for bespoke consulting work. From 2009 Mark was Managing Director of GFMS Mine Economics Limited, a business co-founded with GFMS Limited, which was sold to Thomson Reuters in 2011.

Mark graduated from University of Liverpool with a B.Sc. (Hons) in Geology.

View Mark's profile on LinkedIn

Sophie Chung

Sophie Chung

Director - Industry Analysis

Sophie's expertise ranges from financial valuation of individual assets and companies to dynamic modelling of global mine supply and costs, risk analysis for projects and strategic advice on business development. Sophie holds a B.Sc. Hons. in geology and physics from University of Toronto, Canada.

As principal copper analyst at Rio Tinto, Sophie led the team providing long term price forecasts. She also provided bespoke advice and modelling for the copper business development team and the economics team.

At Wood Mackenzie, Sophie managed the copper cost service and provided consulting expertise for a wide spectrum of clients, from project risk management to asset valuation and benchmarking. Prior to joining Wood Mackenzie, Sophie worked in equity research at Desjardins Capital Markets, covering the majors and mid-caps on the Toronto stock exchange, in addition to assisting the corporate development team with due diligence on mining assets.

View Sophie's profile on LinkedIn

Martin Hollands

Martin Hollands

Director - Environmental Sustainability

As an ecologist, Martin has worked for 40 years bringing together governments, businesses and conservation organisations to work on a shared sustainability agenda. He has extensive experience of collaborative work on sustainability in the extractives, energy, agriculture and tropical commodities.

He has worked closely with companies such as Rio Tinto and BP, sector associations like IPIECA and ICMM, and international agencies like the World Bank, the International Finance Corporation and the United Nations. Martin has also been involved for 30+ years developing global and national policies on the environment, and on how environmental issues are mainstreamed into other sector policies.

Besides his work with Skarn, Martin is the MD of Conservation Policy & Practice Ltd, Senior Advisor on Business & Biodiversity at BirdLife International, Director of Sustainability at Bloomsbury Minerals Economics, Co-chair of the Strategy & Objectives Working Group of the Global Platform on Sustainable Natural Rubber.

Martin is a member of the CBD Extended Working Group on Mainstreaming sustainability and of CEMEX International’s Global Advisory Group, and the Advisory Committee of the Concrete Sustainability Council. He has a Postgraduate Diploma in Environment & Geography from the University of Hertfordshire and a B.Sc. (Hons) in Zoology from University College London.

View Martin's profile on LinkedIn

Fernando Araya

Fernando Araya Burchard

Head of Metallurgical Analysis

Fernando holds a BSc (Hons) in Chemical Engineering from Universidad Tecnica Federico Santa Maria, Chile.

At Wood Mackenzie Fernando performed a variety of roles, starting as a copper smelter and refinery cost analyst, then heading the EMEARC region metals research team, managing most of the global team in M&M. He then led the global data team for M&M where he was responsible for data strategy and maintaining client-facing tools and models. His expertise ranges across dynamic modelling of chemical processes to asset valuation, supply and cost modelling.

Prior to joining Wood Mackenzie Fernando worked at Codelco, where he specialised in mathematical modelling of smelting processes, long-, medium- and short-term production planning, development project valuations and continuous improvement. Fernando was also responsible for the continuous operation and production of the Anode casting section at Caletones smelter.

View Fernando's profile on LinkedIn

Martin Haller

Martin Haller

Aluminium Consultant

Martin Haller is Director of Haller Metals Economics, which he established in 2013 as a boutique consultancy specialising in the aluminium industry from bauxite to semi-fabricated products. Martin has over 30 years' experience in the aluminium industry, ranging from aluminium market analysis and equity research to bespoke consulting assignments. His consulting assignments include advising on raw material contract pricing, aluminium off-take agreements, socio-economic impact of greenfield smelters, pre-feasibility work for smelters, refineries and downstream facilities, valuation exercises and model verification.

Martin started his career at CRU, researching aluminium semis and end-use markets. Later he moved to the brokerage side of Dresdner Kleinwort where he was manager of metals and mining equity research. He later worked in Billiton with the Mergers & Acquisitions team. Subsequently he spent 11 years at Brook Hunt/ Wood Mackenzie, as Manager of Aluminium Research and Consulting.

View Martin's profile on LinkedIn

David Coombs

David Coombs

Associate Consultant

David is the Principal of Cuprite Consulting, which he established in 2012. David consults on a wide range of commodities including copper, molybdenum, zinc, nickel, tungsten, lithium, and coal. On extended contract with the Klesch Group in 2016, David worked on M&A origination in the metals and mining sector. David briefly headed CRU’s Copper Consulting Group over 2018 and 2019, with prior consultancy for CRU relating to the copper semis sector.

David started his career with Anglo American in South Africa as a mineral processing engineer at Vaal Reefs gold and uranium mine. He has an MSc in Mineral Production Management from the Royal School of Mines and subsequently spent 24 years with Brook Hunt and Wood Mackenzie heading up its Metals Cost Research team, specialising in the copper industry. David subsequently joined Lundin Mining as Mining Economist where he applied Value Based Management principles to operational strategy.

View David's profile on LinkedIn

Tom Verrept

Tom Verrept

Mining Analyst

Tom is has a B.Sc. in Mining engineering from Camborne School of Mines. He has worked as a graduate engineer at BHP NiWest Leinster as well as Development Engineer A&I (analysis and improvement) at Olympic Dam Mine.

Tom is currently building detailed technically-driven energy and emissions models for a range of mines and companies.

View Tom's profile on LinkedIn

Paul Harris

Paul Harris

Editorial Consultant

Paul has more than twenty years’ experience in the mining sector in investor relations, communications, research and news reporting roles. Paul has twelve years’ experience in the Colombia gold sector including investor relations roles with Continental Gold, Gran Colombia Gold and Mineros. Paul founded the successful Colombia Gold Symposium in 2016 and has written for industry-leading publication Mining Journal since 2015. Previously, Paul spent five years in Chile reporting and analysing the copper sector for CRU and Metal Bulletin.

Paul received a BA in Business Administration from the University of the West of England, UK; and a MA in International Relations from the University of Chile, Santiago Chile. He is fluent in English and Spanish.

View Paul's profile on LinkedIn

Elen Ivarsson

Elen Ivarsson

Research Analyst

Elen studied at the University of Birmingham and the University of the Highlands & Islands and has previously worked within the maritime, medical and legal sectors.

Elen is currently undertaking corporate reviews and the analysis of company ESG targets and strategies.