Tesoro Resources Limited

Suite 5, 62 Ord Street 

West Perth, WA 6005

© 2018 by Tesoro Resources Limited. ACN 106 854 175. All rights reserved. 


Zeffron Reeves

Managing Director

Zeffron is a geologist with over 20 years of experience in the resources sector working on resource projects from greenfields exploration, discovery, definition and feasibility, construction, production to closure. Zeffron was most recently Managing Director of ASX listed Kopore Metals Limited (Previously Metallum Ltd) which had a number of development and operational projects in Chile. He has also held senior management positions with Cleveland Mining Ltd and Ashburton Minerals Ltd, developing projects in Brazil. Zeffron has a Bachelor of Applied Geology (Honours), a Masters of Business Administration from Curtin University and is a member of the Australia Institute of Geoscientists.

John Toll

Non-Executive Chairman

John is currently the Chairman of Plukka Limited and was previously a director of ASX listed XTD Limited.

John is a Partner at Azure Capital Limited and has over 15 years of experience in corporate advisory, focusing mainly on equity financing transactions across a range of industries including mining, technology, general industrials, biotech and infrastructure. He has advised local and international clients on transactions ranging from private capital raisings for early stage companies through to strategic and transformational capital raisings for established businesses.

Geoff McNamara

Non-Executive Director

Geoff is a geologist with over 25 years of resource sector experience covering operational roles including Project Manager, Senior Mine Geologist and Mine Geologist for Ivanhoe Mines, LionOre International and Western Mining Corporation. A Partner at investment manager and advisor Medea Capital Partners, he was previously an owner and Investment Director of private equity firm Pacific Road Capital. Prior to this he was a Director of Société Generale’s Mining Finance group in New York. He holds a number of Non-Executive Director roles including Non-Exec Chairman of UK listed Cora Gold. Geoff holds a Bachelors degree in Geology, a Graduate Diploma in Applied Finance and Investment from the Financial Services Institute of Australasia. He is a member of the Australian Institute of Company Directors(AICD) and the Australasian Institute of Mining and Metallurgy (AusIMM).

Sergio Uribe

Country Manager

Administrative, management and development professional with experience in Chile. He has worked on numerous resource projects from greenfields exploration, discovery, production, closure, retreatment and tailings reclamation. Part of the development team with Fortescue Metals Group during development of its Pilbara mining operations, he has 10 years of resource sector experience. Sergio has represented numerous foreign companies investing into resource projects in Chile and was Commercial Manager of Metallum Chile Ltd. where he was involved in the acquisition and development of their operation in Chile. Prior to this he was General Manager of Acorn Mining Chile Ltd and Country Manager for Cleveland Mining Chile Ltd. Sergio has a BusinessManagement degree from Universidad del Desarrollo and is a member of the civil police and a military reserve officer.

Shannon Coates

Company Secretary

Shannon is a qualified lawyer with over 20 years’ experience in corporate law and compliance. She is currently non-executive director of ASX listed companies Vmoto Limited and Kapore Metals Limited and company secretary to a number of public unlisted and listed companies, She has significant experience in a wide range of corporate and commercial matters, including strategy, remuneration, mergers and acquisitions, debt and equity capital markets, risk management and compliance, regulation and corporate governance, both in Australia and internationally. Shannon is a qualified lawyer, Chartered Secretary and graduate of the AICD’s Company Directors course. She is a past recipient of the West Australian Women in Mining scholarship and was selected for the AICD Chairman’s Mentoring Program.