Argentina Peru

Hubert Gamarra, B.Sc. Hubert Gamarra, B.Sc.

Country Manager – Peru

Hubert Gamarra is a Geological Engineer, from the Universidad Nacional San Agustin Arequipa, with over 20 years’ experience in the Mining and Exploration industry. After a several of jobs as a geological assistant, in 1996 he joined Magma Company (BHP-Billiton Copper, now Glencore) as an exploration geologist. He eventually became Superintendent of Geology and then Geology Manager – Planning for the Tintaya copper-skarn mine (Cusco Peru). In 2005,

Hubert joined Minera Antares Peru SAC, a subsidiary of Antares Minerals Inc., as Exploration Manager. In 2007, he assumed the position of General Manager Peru until the sale of the company (Haquira Project) to First Quantum Minerals in 2010.

Hubert Gamarra was one of the team leaders who managed to develop Haquira Project, which sold C $ 650 million. During the 2011, Hubert continued with First Quantum Minerals as the General Manager of Minera Antares Peru SAC. From 2012 to the present, Hubert has worked as geological consultant for various projects. Hubert Gamarra in his career with BHP Billiton Tintaya, was part of Operational Excellence team, Six Sigma and Leadership Team. He brings valuable experience to lead the Regulus exploration team in Peru.

Joe Fernandez, Eng.

Manager Project Development

Mr. Fernandez has served in many different mining related roles over his 35+ year career. Those roles span from exploration and development to operations management and reclamation. His most recent accomplishments are with the Antares Minerals project, Haquira, in Peru serving as the VP of Project Development and responsible for the completion of the PEA of Haquira.

As Director of Planning with BHP at its Tintaya Mine, Mr. Fernandez gained invaluable experience operating in Peru. From the corporate offices of BHP, he participated in the internal review of several large projects; leading the team in the review of Tintaya’s oxide expansion project.

Mr. Fernandez has held operating and management positions at Pinto Valley, The Ray Mine, Johnson Camp, Tintaya, and San Manuel Mine. Mr. Fernandez currently holds a senior position with Redhawk Copper performing exploration and development roles at the company’s Copper Creek Project near San Manuel, Arizona.

Stewart Redwood, Ph.D.


Chief Geologist Antakori Project

In July 2016, Regulus Resources appointed Dr. Redwood to act as the Chief Geologist of the AntaKori Project, Peru. Dr. Redwood has accumulated 35 years of mineral exploration experience, with a focus on copper, gold, silver and zinc deposits in Latin America and the Caribbean. This includes extensive experience in skarn deposits, notably the Antamina copper-zinc skarn deposit in Peru, the world’s largest skarn deposit, where he was the Chief Geologist and Site Manager in 1996-98 for the drill-out for the feasibility study. This resulted in a four-fold increase in reserves to 500 million tonnes grading 1.2% Cu and 1.0% Zn. He is bilingual in English and Spanish, and also speaks some Portuguese and French. He has worked in Latin America since 1982.

Dr. Redwood has a degree in geology from Glasgow University (1982) and obtained his Ph.D from Aberdeen University (1986) for his work on the gold and silver deposits of Bolivia. From 1986 to 1988 he was a Higher Scientific Officer with the British Geological Survey based in Edinburgh, Scotland. He returned to Bolivia as the Director of Exploration for Mintec S.A., a Bolivian consulting firm, from 1989 to 1994. During this period he is credited with recognising the potential of the San Cristobal silver-zinc deposit, now the largest mine in Bolivia. In 1994 he joined Metall Mining Corporation, later called Inmet Mining Corporation (now First Quantum), as Project Geologist and then Senior Geologist in South and Central America, and was latterly the General Manager for Peru. This included a secondment from 1996 to 1998 to Compa±ia Minera Antamina, Peru to work on the Antamina resource definition and feasibility study. In 2000, he joined AngloGold South America Ltd. (now AngloGold Ashanti) as Chief Geologist South America for the company’s mine site and greenfields gold exploration.

Since 2001 he has worked as an independent consulting geologist and business developer of exploration and discovery companies. He has provided geological consulting services to various companies exploring and mining in Latin America, the Caribbean, North America, Europe, Scandinavia, Turkey and East Africa.

He was a co-founder and/or developer of several companies including Exploration & Discovery Latin America (Panama) Inc.; GoldQuest Mining Corp., of which he was President and CEO, which made the grass roots discoveries of the Romero gold-copper deposit and Las Animas massive sulphide deposits in the Dominican Republic; Horizonte Minerals plc (Brazil); and Colombia Goldfields Ltd., which defined the Marmato gold deposit in Colombia.

Dr. Redwood has published numerous papers, articles and technical reports. He is a Fellow of the Institute of Materials, Minerals and Mining, a Fellow of the Geological Society of London, and a Fellow of the Society of Economic Geologists.

Sonia CortezSonia Cortez

General Manager – Peru

Sonia Cortez is an accountant with 12 years of experience in various companies in the mining and service industry. Before joining Southern Legacy Minerals in 2012, she was managing the law firm Gallo Barrios Pickmann from 2010 to 2012. Previous to this, she managed Berninzon Loret de Mola & Benavides law firm from 2002 to 2009. She has also worked as an accountant for several companies in the category of service and marketing. She has studied Corporate Finance, Geology for Non-Geologists, Non-executive Mineral Mining, Community Relations and Socio Environmental Conflicts. She has a diploma in mining rights.

Carlos R. Mamani, B.Sc.

Peru - Carlos Mamani


Is a Geological Engineer and GIS analyst from the Universidad Nacional San Antonio Abad of Cusco, with over 11 years’ experience in mining exploration. Has a diploma in geostatistics and actually is studying a master in mining management. In 2014 he worked at Geoandina Exploraciones S.A.C. In 2011 he joined Minera Yanacocha S.R.L. In 2006 Carlos joined Minera Aurifera Retamas S.A., and in 2003 he joined Instituto Geol³gico Minero Metalºrgico of Perº.

He explored in mining district of Yanacocha, mining district of Hualgayoc and Batolito of Cordillera Blanca. Participating in different phases of mining projects, since the concept compilation analysis and interpretation of data, mining cadastre, community relations, reconnaissance and detailed geological mapping, design and sampling of rocks, soils, sediments, supervision of diamond drilling; geological logging and modeling.