• Located in Flagstaff, Tempe, Tucson, Sierra Vista, and Las Vegas

Management Staff

Dan Speck

Partner & Shareholder

Dan Speck has spent over 40 years in the mining, materials, and testing industries ranging from mine site engineering to executive management

Dan Vermeer

Partner & Shareholder

Currently, Dan is a Principal in Alta Arizona, which he co-founded with Dan Speck, Dan serves as Managing Partner and Serves on the Board.

Sean Fabor, PE

Geotechnical Principal and Director

Sean has over 15 years of experience in the engineering, construction, and land development industry.

Patricia Gajda, PLS

Southern Arizona Survey Manager

Patricia has over twenty-two years of professional experience related to land surveying and right-of-way.

Jamie Floyd, PE

Senior Project Manager

Jamie has over 15 years of experience in the geotechnical, construction materials testing and special inspection industry.

Meg Lassarat

Advisory Board

Meg is an experienced independent board member with over 25 years of global experience in driving growth and identifying strategic alternatives.

Tim Brown

V.P. Finance

Tim has over 30 years of experience as a certified public accountant. Tim has a wide variety of experience ranging from governmental and nonprofit work, to manufacturing and mining.

Richard Antonio

V.P. of Business Development

Rich is an operational and business development strategist with over 25 years of experience in strategic, fiscal, sales, retention development and operational leadership in complex organizations.

Marissa Raleigh, EIT

Project Manager

Marissa has over 8 years of experience in the construction materials testing and special inspection industry.

Kent Groh, PLS

Geomatics / Survey Manager

With over 30 years of technical management and leadership experience, Kent has been the Survey Manager on numerous projects. Some of his previous clients include Salt River Project, La Jara Farms, and American Furniture Warehouse.