Louis Castro

Chairman and Executive Director

Mr. Castro joined the Corporation in April 2020 and is a chartered accountant and former investment banker with more than 30 years' City and industry experience.  Louis is a non-executive director and Chairman of the Audit Committee at Stanley Gibbons Group plc, Jangada Mines plc and Tekcapital plc.  He was previously CFO at Eland Oil and Gas, an AIM listed upstream company operating in Nigeria, and CEO at Northland Capital Partners investment bank and broker, where he represented a significant number of mining and oil & gas clients, including clients in South America. 

Brad George

CEO and Director

Mr. George is a geoscientist by profession, with over 30 years’ experience in global mineral exploration, development and financing.  In particular, Mr. George has a long history in South America, having managed, assessed, and financed projects and companies in a range of countries across the continent.  Currently Brad is focused on managing gold and base metals exploration projects in West Africa, and therefore offers broad and specialized skills in mineral exploration across the developing world. In addition, Mr. George spent several years as a rated mining analyst in London, focusing on AIM listed miners and thus has a sound understanding of capital markets and financial management of exploration, feasibility and development programs. Mr. George is resident in Perth, Western Australia, is a member of the Australian Institute of Geoscientists, and is a JORC Competent Person for the reporting of mineral exploration results.

Thomas Masney

Non-Executive Director

Thomas brings a wealth of quoted company experience to Orosur. He has been CFO of both TSX and AIM listed companies. He is a CPA and has worked internationally for both mining and corporates in other sectors, having trained initially with EY and PWC.  He has strong links with the investor and professional services community in Toronto which will serve the Company well in its activities.

Nick von Schirnding

Non-Executive Director

Nick has over 25 years’ experience in mining and natural resources, including strategic development, M&A, restructuring, driving operational change and corporate governance.

Nick is Executive Chairman of Arc Minerals plc, a London listed mining group with interests in Africa, and also Chairman of Fodere Group, a private company that has developed environmentally sustainable technology to extract high value minerals from ore. In addition, Nick is a Non-Executive Director of Jangada Mines plc and Edenville Energy plc, which are both listed on AIM in London.

Previously Nick was CEO of Asia Resource Minerals plc (formerly Bumi plc), a FTSE listed mining company and was instrumental in successfully restructuring their 25mtpa open pit coal mining operations. Nick was also deputy chairman of Berau Coal, Indonesia’s fourth largest listed coal company. Prior to this Nick held senior roles at both Anglo American plc and De Beers.

Nick has worked and lived in both developed and emerging markets including the UK, India, SE Asia, Africa and South America.


Brad George

CEO and Executive Director

Bio in Board section

Joaquín L. Sarroca

Legal Counsel

Joaquín commenced working for Orosur in May 2014. Joaquín earned his Master of Laws in International Business Law (LLM), from Queen Mary University of London and is also a Uruguayan-qualified lawyer (Universidad de la República). He has over 10 years of legal experience at recognized law firms in both Uruguay and London where he advised on commercial litigation, corporate governance, business law and contracts to international and local corporations from different industries, including energy and mining.

Victor (‘Vic’) Hugo

Chief Financial Officer

Mr. Hugo (Toronto, Ontario) possesses over 20 years of experience working with public companies in the manufacturing and resource sector with responsibility for accounting, budgeting and financial reporting. Vic is Senior Financial Analyst at Marelli Support Services Inc., that specializes in providing CFO, accounting, regulatory compliance, and management advisory services to numerous issuers on the TSX, TSX-Venture, CSE and other international exchanges.

Vic is a CPA, CMA and has a Bachelor of Commerce with Honours, specializing in accounting and cost and management accounting from Potchefstroom University in South Africa.

Jerónimo Jáñez

NBD Manager

Jerónimo is a geologist with 10 years of experience, predominantly as a mine geologist. He has led gold and base metal production projects, both open pit and underground, in Argentina and Uruguay. Jerónimo’s team in Uruguay are responsible for both operational and exploration activities, including ore control, brownfield and greenfield exploration activities. Jerónimo has experience in mineral exploration, resource modeling and production of numerous deposits and mines. Jerónimo holds a degree in Geology from La Plata National University.

Ernesto Slavutsky

Exploration Manager

Ernesto is a Senior Geologist with over 10 years of Latin American experience. During his career, Ernesto has worked in different companies, with his experience ranging from grassroots regional exploration, to project generation and resource infill drilling. He worked in Greenstone belt, epithermal, SEDEX and evaporite deposit types. Ernesto has a degree in Geology from the National University of Tucumán and international postgraduate in geostatistics applied to the estimation and evaluation of mining deposits.