Investment team

Investment team

Co-founded by Michael Haworth and Mark Sawyer, the Greenstone investment team possesses over 100 years of experience covering all key aspects of mining project development.

Michael Haworth, Senior Partner

Co-founder of Greenstone Resources with a 20+ year career in the sector, including roles as Managing Director at JP Morgan and Head of Mining and Metals Corporate Finance in London. Together with Mark Sawyer, Michael oversees all aspects of the management of Greenstone Resources.

Mark Sawyer, Senior Partner

Co-founder of Greenstone Resources with a 20+ year career in the sector, including senior roles in Xstrata plc, Rio Tinto plc and Cutfield Freeman & Co Ltd. Together with Michael Haworth, Mark oversees all aspects of the management of Greenstone Resources.

Investment Professionals
Tim Simpkin
Senior Investment Professional

Qualified Chartered Accountant and Mechanical Engineer with extensive international experience at Hatch Consulting and Xstrata plc.

Aurelien Bonneviot
Senior Investment Professional

Has a Bsc in Material Sciences and Msc in Finance. Most recently worked as an investment manager for IXMetals f.k.a. Louis Dreyfus Company Metals.

Stephen Cooper
Senior Investment Professional

20 years experience as Technical Director, Investment Banker, Business Analysts and Geologist with extensive international experience at CD Capital, Parsons Brinckerhoff, Investec Bank Plc and Adastra Minerals.

Ivan Fairhall
Investment Professional

Chartered Engineer with extensive experience of study, construction and commissioning adjustments in Africa, Europe, Australia and Americas.

Jody Herley
Investment Professional

Mining Engineer with operational experience in BHP. Specialises in business analysis and value management.

Joe Macdonald
Investment Professional

Ex CRU where he specialised in metals and mining finance and project evaluation.

Nicolas Vilaseco
Finance Director

Chartered Accountant with previous PE experience at Apax Partners and 3i.

Advisers