B. Dirk Hatter, President & PLS
    Over 28 years of experience
    U.S. Mineral Surveyor
    Licensed Surveyor:
        Colorado and Nevada
    dhatter@eschaaf.com

Jeffery J. Schaaf, Vice-President & PLS
    Over 16 years of experience
    B.S. Business Administration
    Licensed Surveyor:
        Colorado

Charles H. Dubs, Project Coordinator & PLS
    Over 15 years of experience
    Licensed Surveyor:
        Colorado

Kelson C. Hatter, Senior Crew Chief
    Over 4 years of experience

M. Scott C. Brown, CAD
    Over 19 years of experience in CAD
    Over 6 years of experience in Surveying
    A.S. Computer Science
    Professional CAD (Computer-Aided-Drafting) Services
    msbrown@eschaaf.com