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Management Team

Raymond Jannas

President, CEO & Director

  • Over 40 years’ experience in mining geology, exploration and business development focused in Latin America
  • Headed exploration teams that led to the discovery of Pascua-Lama, El Morro and Johanna in Chile, and Choco 10 in Venezuela, as well as the acquisition of Cerro Corona in Peru
  • Held senior positions with Gold Fields, Barrick Gold, LAC Minerals, Hochschild Mining, Metallica Resources, St. Joe Minerals, Rosario Resources and Minera Fuego
  • Holds a Ph.D. from Harvard University
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Sheila Magallon


  • Chartered Professional Accountant with more than 15 years’ experience in the mining sector.
  • Strong background in financial reporting, internal controls, strategic planning, treasury management and change management.
  • Joined GCM Mining in 2019 as Vice President, Finance where she worked through to its combination with Aris Mining. Previously served as Interim CFO, Director of Finance and Corporate Controller for publicly listed mining companies including Detour Gold, Torex Gold Resources, Primero Mining and Largo Resources.
  • Throughout her career she has helped Canadian companies to optimize operations in Mexico, Colombia, Brazil and Spain.
  • Obtained her CPA designation while working at KPMG LLP and holds a bachelor’s degree in Public Accounting from Universidad Nacional Autonoma de Mexico.
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Ben Pullinger

Senior Vice President Exploration and Business Development

  • 20 years’ of international mineral exploration and business development experience.
  • Held senior exploration positions with Golden Star Resources, Excellon Resources and Roxgold.
  • From 2010 to 2012, was a Mining Research Analyst with Toll Cross Securities.
  • Graduated with a HBSc in Geology from University of Johannesburg.
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Francisco Bravo

Director of Exploration

  • 17 years of mineral exploration experience in Chile
  • Headed up teams running greenfields and brownfield exploration campaigns
  • Held senior exploration positions with Andina Minerals, Fenix Gold, Minera Las Cenizas and SBX Group
  • Geology degree from Universidad de Chile
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