The Rocky Mountain Chapter was established in 2009 by members in the states of Colorado, Kansas, Montana, Nebraska, North Dakota, South Dakota, Utah and Wyoming.
Benny Siljenberg, Chair
Chair – Benny Siljenberg, Lithos Engineering
Immediate Past Chair – Christopher Larson, C&L Water Solutions
Chair Elect 2022 – Stephanie Nix, Claude H. Nix Construction/Jasco Inc
Treasurer – Chris Knott, BTrenchless
Secretary – Rebecca Brock, Brock Consulting, LLC
Steve Salazar, Wilson & Company, Inc.
Sean Sundermann, Kilduff Underground Engineering
Tom Furie, Hobas Pipe
Lisa Ferreira, City and County of Denver, DOTI-Build
Matt Olson, Lithos Engineering
Jeff Maier, Garver
Todd Kilduff, Kilduff Underground Engineering
Josh Shackelford, Olsson
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