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Three New Consultants join SRK US

Todd Hamilton rejoins SRK as a Principal Hydrogeological Consultant. Michael Royle rejoins SRK as Principal Hydrogeological Consultant.   
Jon Larson
Principal Consultant (Mining Engineering)
Patrick Williamson
Principal Consultant (Hydrology)
Arturo Perez

DENVER, COLORADO — DECEMBER 31, 2015 — SRK Consulting welcomes three new consultants to its Denver office: mining engineer Jon Larson, geochemist and hydrologist Patrick Williamson, and hydrogeologist Arturo Perez.

Jon has more than 16 years of domestic and international mining experience, with specializations in underground and open pit mine design, open pit and strategic mine plan optimization, short range planning, and mine production scheduling. Most recently, Jon served as general manager of Maptek (North America). His prior project experience includes producing life of mine designs; creating optimized plans for iron ore, coal, gold, copper, diamond, and nickel deposits; analyzing mine planning processes; and implementing workflow improvements. He has extensive experience with computer applications for mining and is proficient in the use of VulcanTM, Whittle, and various scheduling applications.

“Jon adds depth to our established mine engineering practice in North America,” said Terry Braun, president of SRK Consulting (U.S.). “He brings a strong focus on optimization and a diverse background in open pit and underground mine planning. We welcome him to the SRK global organization.”

Patrick and Arturo worked for SRK Mexico before moving to Denver. Patrick has worked for 26 years as a project manager, hydrogeologist, and geochemist. He has broad experience in the environmental geochemistry of groundwater, surface water, sediments, mine wastes, and soils as well as in groundwater and water balance modeling. Arturo has 12 years of experience in hydrogeology; he has supervised drilling for environmental and hydrogeological projects and performed and interpreted hydraulic tests. He is also an expert on geotechnical core logging, groundwater sampling, and well design.

“While our hydro practice in the US is well established, the addition of Patrick and Arturo to our team gives us valuable extra depth,” Braun said. “Their previous experience will also help us to enhance our already strong Mexican connections.”


SRK Consulting is an independent, international consulting practice that provides focused advice and solutions to clients, mainly in the earth and water resource industries. For mining projects, SRK offers services from exploration to mine closure, including feasibility studies, due diligence reviews, and production optimization.

Established in 1974, SRK now employs more than 1,400 professionals internationally in over 45 offices on 6 continents. Please see for more information.

Media contact:

Sarah Lorenger, SRK Consulting, T: +1-303-327-4569, E:

SRK North America