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“…firstly I want to tell you that it was a pleasurable experience for us to have Tierra Group involved in our Phase III Facility; initially preforming a peer review of the phase III design and later the QA/QC of its construction. Having said that it is my opinion that we would like to continue our relationship with Tierra Group going forward.”

Rick Irvine, Gold Resource Corporation

“…our long association has been because Tierra Group has consistently offered superior value, at a fair price that you have personally backed up with often creative, out of the box solutions. And this in an area of our industry – basically waste disposal – that isn’t at all sexy, but has absolutely no room for failure.”

Robert Byrd, Santacruz Silver

“…the kindness, love and grace Tierra Group shows to others (especially its clients…) is rare…Tierra Group is gold…”

Reneé A. Carmody, Lewis Roca Rothgerber LLP

“Tierra Group’s Team has provided Nyrstar with geotechnical and environmental engineering services to a large majority of our mining operations. Primarily focused on practical tailings impoundment solutions, and has been a dedicated engineering partner to Nyrstar.”

Rod Lamond, Group General Manager – Exploration and Mining Development, Nyrstar

“By providing excellent service during design, construction, expansion, and operations Tierra Group International has become an integral part of our La Libertad tailings storage team.  Their ability to provide professional field and office engineering as well as on-site training makes Tierra Group International our primary resource for geotechnical and tailings projects.”

Peter Montano, Manager, Mine Engineering, B2Gold Corp.

“Knight Piesold has been assisted by Tierra Group on a few key assignments and found the people and overall experience to be excellent.”

Tom Kerr, President, Knight Piesold and Co.

“With the complex tailings storage system at our El Limón mine we needed a flexible and creative team to help us build a new facility and maintain our existing facilities.  Tierra Group’s depth and breadth of ability and experience has been called upon many times over the past three years and they continue to provide us with site-specific solutions.”

Peter Montano, Manager, Mine Engineering, B2Gold Corp.

“Our Clients are First,

  the Team is Second,

      and I am Third.”

Latest News



Jim Shultz attends Congreso Internacional de Mineria “La emergente industria minera en Centroamerica: Retos y oportunidades” November 11th – 13th in Panama City, Panama



Carla Arllentar joins Tierra Group International, S.A.C. as Administrative Assistant in Lima, Perú

Featured Teammate


Matthew L. Fuller, C.P.G., L.E.G.

Matt Fuller is a Founding Principal of Tierra Group International, Ltd. and an Engineering Geologist. Matt’s professional technical experience spans more than 30 years providing geological, geotechnical, environmental consulting services to the international mining industry.…