Officers & Directors


Marshall Koval

President & CEO, Director

Mr. Koval is a mining executive with more than 42 years of corporate management, M&A, finance, mineral exploration, mine development and operations experience and has worked on mining projects in over 30 countries. He served as Chairman & CEO of Anfield Gold Corp, and is currently the CEO and a Director of Luminex Resources, is a Director of Equinox Gold and is a Director of Miedzi Copper Corp. Previously, Mr. Koval was a partner in Lumina Capital, LP and served as CEO of Northern Peru Copper Corp, VP of Corporate Development for Lumina Copper Corp, President of Pincock, Allen & Holt and held management positions with Golder Associates, BHP/Utah International, Inco, Meridian Minerals and Inspiration Consolidated Copper. Mr. Koval holds a BSc. in Geology from the University of Missouri and is a registered professional geologist in North Carolina and Washington.


Leo Hathaway

Senior Vice President

Mr. Hathaway is a geologist with extensive experience in the exploration and mining sector from grassroots to feasibility and development stage projects. He served as Chief Geological Officer for Anfield Gold Corp. He currently serves as Senior VP Exploration for Luminex Resources and EVP of Exploration at Libero Copper Since 2004, Mr. Hathaway was the former Chief Geological Officer for Lumina Copper Corp and the former VP Exploration for Northern Peru Copper Corp, Regalito Copper Corp, Global Copper Corp and Lumina Resources Corp as well as a former partner in Lumina Capital LP. Prior to 2004 he worked for Inmet Mining in Europe, Australia, Central and South America. Mr. Hathaway holds a B.Sc. (Hons) degree in Applied Geology from the University of Plymouth, a M.Sc. in Mineral Exploration from the University of London and obtained a P.Geo from the Association of Professional Geoscientists of Ontario in 2004.


Diego Benalcazar

Senior Vice President

Mr. Benalcazar has over 25 years experience in mineral exploration, mining property evaluation and acquisitions throughout Latin America and the Caribbean. He has held managerial and consulting positions with several international mining companies, including Homestake International Minerals Ltd. He currently serves as President of Luminex Resources. As a former President and member of the Board of Directors of the Ecuadorian Chamber of Mines, Mr. Benalcazar has actively represented the mining industry in discussions with Government authorities. Mr. Benalcazar holds a BA in geology from North Carolina State University and has completed the Program for Management Development at Harvard Business School.


Ron Halas

Chief Operating Officer

Mr. Halas has over 30 years of diverse experience including open pit and underground mining in both base and precious metals. He has worked with major mining companies including Kinross, IAMGOLD, Vale, PT Freeport Indonesia, Placer Dome, and Cominco. His extensive experience in mine feasibility, development, and operations has been gained in Canada, Niger, Indonesia, New Caledonia, Suriname, Brazil, and Mauritania. Mr. Halas has a Bachelor of Engineering degree from McGill University and a Graduate Diploma in Business Administration from Simon Fraser University.


Martin Rip

Chief Financial Officer

Mr. Rip is a Chartered Professional Accountant (CPA, CA) with over 19 years experience in industry and public practice providing business advice to a variety of clients. Currently, Mr. Rip is CFO of Miedzi Copper Corp and Luminex Resources and the former CFO of Anfield Gold Corp, Lumina Copper Corp and Lumina Royalty Corp. In public practice, Mr. Rip worked at Grant Thornton LLP where he served as a Senior Manager in the Assurance and Business Advisory practice. He holds a law degree from the University of Birmingham and is a member of the Chartered Professional Accountants of British Columbia and The Institute of Chartered Accountants in England and Wales. Mr. Rip has extensive experience in financial reporting and internal controls compliance for public companies


Lyle Braaten

VP Legal Counsel & Director

Mr. Braaten is a lawyer and the President & CEO of Miedzi Copper Corp, a private company actively exploring for copper and silver in Poland. Mr. Braaten is currently a director of Ero Copper Corp, a mid-size copper producer with operations in Brazil, and an officer and director of Luminex Resources. He was previously a director and VP Legal of Anfield Gold Corp (prior to acquisition by Equinox Gold) and a director of Lumina Royalty Corp (prior to acquisition by Franco Nevada). Mr. Braaten joined the Lumina group of companies in 2008 and assisted in the creation of Magma Energy Corp., a renewable energy company. In 2011, Magma and Plutonic Power merged to create Alterra Power Corp which was acquired by Innergex Renewable Energy for $1.1B. Mr. Braaten received a law degree from the University of British Columbia in 1989 and a Bachelor of Science from the University of Calgary in 1986. Mr. Braaten is a member of the Law Societies of British Columbia and the Yukon.


Scott Hicks

VP Corporate Development & Communications

Mr. Hicks was previously an investment banker working with RBC Capital Markets and BMO Capital Markets on their respective mining teams. He also served as VP Corporate Development and Communications of Anfield Gold Corp., which was consolidated into Equinox Gold. He currently serves as EVP Corporate Development of Strategic Resources (previously CEO), Director of Atacama Copper Corp. and the VP Corporate Development and Communications of Lumina Gold Corp. and Luminex Resources Corp. Over the last two decades he has worked on a variety of equity, debt and advisory assignments while working in Canada and Australia. Mr. Hicks holds a Bachelor of Commerce with Honours from the University of British Columbia.


John Youle

VP Corporate Affairs

Mr. Youle has worked as an adviser to governments and companies across Latin America since the early 1990s, initially as a Washington, DC-based corporate attorney, and subsequently as the General Manager of ConsultAndes, SA, a Lima, Peru-based firm that provides strategic counsel primarily to international natural resources companies. He currently serves as the VP Corporate Affairs for Luminex Resources. Mr. Youle was previously VP Corporate Affairs for Anfield Gold Corp and VP Corporate Affairs for Lumina Copper Corp (sold to First Quantum Minerals). He has lived in several countries, including, USA, Colombia, Ecuador and Peru. Mr. Youle is a graduate of Dartmouth College, with a Juris Doctor from Northwestern University and an M.B.A. from Columbia Business School.


Heye Daun


Mr. Daun is a mining engineer & MBA with over 20 years of experience with top-tier mining companies and financial groups. He is the former President and co-founder of Auryx Gold Corp. (“Auryx”) and was instrumental in leading the transformation of Auryx from initial formation as a private exploration company in 2009 through listing on the Toronto Stock Exchange's main board and eventual sale of the company to B2 Gold Corp. in a C$160 million transaction at the end of 2011. He has extensive mine building and operating experience gained working for Rio Tinto, Anglo American and Gold Fields. He is the former Mine Superintendent at Anglogold's Sadiola & Yatela Mines in Mali and a former Mine Manager at Goldfields Tarkwa mine in Ghana. After graduating with an MBA in 2004, Mr. Daun worked in mining finance, investment analysis and portfolio management.


Donald Shumka


Mr. Shumka has more than 40 years' experience in financial roles. Former President and Managing Director of Walden Management, a consulting firm specialising in natural resources. From 1989-2004, he was Managing Director, Investment Banking with CIBC World Markets and Raymond James Ltd. Prior to 1989, Mr. Shumka was VP Finance and CFO of West Fraser Timber Co, one of Canada's largest forest products companies. Currently, he is a director of Eldorado Gold Corp and Alterra Power Corp. He holds a Bachelor of Arts Degree in Economics from the University of British Columbia and a Master of Business Administration Degree from Harvard University.


Michael Steinmann


Mr. Steinmann has extensive experience throughout South and Central America, Europe and Asia, in exploration, mine operations, project development and corporate M&A. He has participated in numerous mine construction projects from exploration through start-up and into continuous operation. Currently, Mr. Steinmann is President & CEO for Pan American Silver Corp. Mr. Steinmann holds a Ph.D in Geology from the Swiss Federal Institute of Technology, and a M.Sc. in Geology from the University of Zurich and a Degree in Corporate Finance from Escuela Superior de Administración y Negocios, Lima.


Stephen Stow


Mr. Stow has an MA in jurisprudence from Wadham College (Oxford University), and has been appointed a Foundation Fellow of his college. He practised as a commercial lawyer in the cities of London and Hong Kong for nearly a decade. He has advised and invested in the resource space for approximately the last 30 years. He has held executive management positions at private and public companies. Amongst the private companies which he helped establish prior to 1995, he served as Director of Corporate Finance, Asia for the National Westminster Bank, Hong Kong Division. He served as the President & CEO of Odin Mining & Exploration Ltd from 1994, until it became Lumina Gold Corp. in 2015 and has since remained a Director at the company. In 1998 he also served as the original Executive Director of what became a listed fibre optic company, 360NETWORKS INC. Currently a Director of Amarillo Gold Corporation since 2017.