Board of Directors

Gordon Pridham , , 1,2 , , Chairman

Mr. Pridham was previously the Chairman of the Board of US Silver and Gold. He is a Principal of Edgewater Capital and is a director and Chair of Newalta Corporation, a director of Americas Silver Corporation and a director and Chair of the Board of CHC Realty Capital Corp. and of Titanium Corporation. He is on the advisory board for Enertech Capital, a Clean Tech Venture Fund. Mr. Pridham is a graduate of the University of Toronto and the Institute of Corporate Directors program. Mr. Pridham has over 25 years of experience in investment banking, capital markets and corporate banking. He has worked in New York, Calgary, Toronto and Hong Kong for global financial institutions and has financed and advised companies in public and private markets across a broad range of industry sectors. Mr. Pridham was appointed to the Orvana Minerals Board in November 2014.

Ed Guimaraes , , 1 ,

Mr. Guimaraes has over 25 years of experience in the mining industry and is currently the Chief Financial Officer of Sierra Metals Inc.. He has served as a director on several boards, most recently as a director of Aldridge Minerals Inc. Mr. Guimaraes also held senior management positions with Aur Resources Inc. between 1995 and 2007, ultimately serving as Executive Vice-President, Finance and Chief Financial Officer. He is a Chartered Professional Accountant and has a Bachelor of Arts in Administrative and Commercial Studies from the University of Western Ontario. Mr. Guimaraes was appointed to the Orvana Minerals Board in February 2013.

Sara Magner , , 2 ,

Ms. Magner is an attorney with a focus on corporate and transactional work, including mergers and acquisitions, securities regulation and corporate governance issues. She has served as the Corporate Secretary and General Counsel of Minera S.A., since 2010. Prior to her current position, Ms. Magner was an Associate in the Corporate and Securities practice at the global law firm, Greenberg Traurig LLP. Prior to joining Greenberg Traurig in 2005, Ms. Magner spent seven years working in various segments of Siemens' operations in the United States and Germany, including working in International Human Resources at Siemens AG in Erlangen, Germany, and as a Manager of Human Resources at Siemens Energy & Automation in Georgia. Ms. Magner holds a J.D. (with high honors) from The George Washington University School of Law and a Bachelor's of Science degree from Emory University. Ms. Magner was appointed to the Orvana Minerals Board in November 2015.

Alan Edwards , , 1,3 ,

Mr. Edwards has over 35 years experience in the mining industry, including various executive and director roles. He is currently President of AE Resources and principal of Gladiator Mining Group. He also serves as non-executive Chairman of Rise Gold Corp., non-executive Chairman of Mason Resources Corp., a director and Chairman of the Technical Committee for Entree Gold Inc. and is a director and Chair of the Sustainability and Technical Committee for Americas Silver Corporation. Mr. Edwards previously served as CEO of Oracle Mining, President and CEO of Frontera Copper Corp. and President and CEO of Copper One Inc. He also served as COO of Apex Silver Mines Corp. where he directed the engineering, construction and development of the San Cristobal project in Bolivia. He has also worked for Kinross Gold Corporation, P.T. Freeport Indonesia, Cyprus Amax Minerals Company and Phelps Dodge Mining Company. Mr. Edwards holds an MBA degree and a B.S. in Mining engineering, both from the University of Arizona.

George Darling , , 2,3 ,

Mr. Darling has over 30 years of experience in mine operations and engineering. Mr. Darling currently serves as Senior VP, Engineering at Sandstorm Gold Ltd., a gold streaming and royalty company. He has held senior positions at a variety of international mining consulting companies, most recently as Senior Mine Consultant and Regional Director at Hatch, a mining business and technical consulting company. He has also held senior positions at SNC-Lavalin, Stantec and SRK Consulting. He has an in-depth base of knowledge and extensive background in underground mining operations and project management. Areas of expertise include 43-101 reports, mine feasibility studies, mine financial evaluations, life of mine planning, mining trade-off studies, mine construction management, EPCM , mine organizational structures and due diligence reports. Mr. Darling holds at B.Sc. in Mining from Queen’s University in Kingston, Ontario and a B.Sc. in Geology and Geophysics from Sydney University in Sydney, Australia. Mr. Darling was elected to the Orvana Minerals Board in February 2017.

Alfredo Garcia3 , ,

Mr. Garcia has over 40 years of experience in the mining business, most of them related with base metals and gold exploration. Mr. Garcia was associated with Antofagasta for almost 15 years, most recently serving as Regional Exploration Manager, South America, based in Santiago and Lima from 2011 to 2017. Prior to that, he was the Regional Exploration Manager, Africa, from 2008 to 2010, and in an earlier stint with Antofagasta was Senior Geologist in the Santiago headquarters, leading exploration teams in Argentina and Perú from 1998 to 2001. Over the course of his career, Mr. Garcia has had the opportunity to explore and evaluate projects in the most prominent metallogenetic belts in Africa and South America, leading exploration teams through grassroots project generation and evaluation stages through to feasibility studies. In addition to his time at Antofagasta, Mr. Garcia served as Project Manager and General Manager, Exploration, for PMC-Cavosa from 1985 to 1992, leading exploration teams involved in precious metals (gold and silver) and base metals (copper, tin and tungsten) in Spain, Portugal and Argentina. Underground mining experience came from South Africa where he worked for the Johannesburg Consolidated Investment Group, from 1980 to 1984 as Mine Geologist and Senior Geologist at the Consolidated Murchison Antimony and Gold Mine in the Northern Transvaal, and at Western Areas Gold Mine in the Witwatersrand Gold Basin. Mr. Garcia holds a B.Sc. in Geology from the University of Oviedo in Spain. Mr. Garcia was appointed to the Board of Orvana Minerals in February 2018.


1Audit Committee

Guimaraes (Chair)

2Compensation, Nominating and Corporate Governance Committee


3Safety, Environment, and Technical Committee

Edwards (Chair)