Donna Ahrens
St. Louis Park, MN

Andre' Assis
Brasilia, Brazil

Thomas C. Atchison
Edina, MN

Stuart H. Bartholomew
Chico, CA

Gary Brierley
Littleton, CO

Jack J. Burke, President
Jack Burke & Associates
Roanoke, VA

Dr. Charles Fairhurst
Itasca Consulting
Minneapolis, MN

George A. Fox*
Grow Tunneling Corporation
New York, NY

Sr. Oscar Gavino Meade*
Mexico City, Mexico

Gary N. Greenfield
Wellington, OH

Joseph D. Guertin, Senior Principal
GZA GeoEnvironmental
Norwood, MA

Richard Harig
Littleton, CO

Joseph C. Kellogg
Denver, CO

Thomas R. Kuesel
Norwalk, CT

Kenneth S. Lane*

Robert F. Leggett*
Ottawa, Canada

Al Mathews
Federal Way, WA

Douglas B. MacDonald
Olympia, WA

Russell K. McFarland
Alexandria, VA

Richard J. Robbins, President
The Robbins Group
Seattle, WA

Toby Wightman
Garden Valley, ID

George D. Yoggy
Allentown, PA

* Deceased