Meet Our Experts
Our Principals
Brad Brechwald, PE, PLS
CEO, President
Thomas Zehnder, PE
Principal
Jorge Aguilar, PE
Principal
Robert Miller, PE
Principal
Kari Wagner, PE
Principal and Director of Water Resources
Craig A. Campbell, PE, PLS
Principal
Erik Rutherford, PE
Senior Mechanical Engineer
Anthony Lehman
Assistant Resident Engineer
Rick Riedl, PE
Prinicipal Engineer
Greg Hulburd, PE, QSD/P
Civil Engineer
Rich Pavlich
Senior Construction Inspector
Bill Callahan
Senior Environmental Compliance Specialist
Josh Whipple
Senior Mechanical Designer
Nick Sine, LSIT
Survey Technician
Ralph Schell
Senior Civil Designer
Ben Q. Parcasio
Senior Construction Management
Suzanne Baird. PLA
Landscape Architect
Cris Disarufino
Senior Civil Designer
Kyle Anderson, PE, QSD/P
Senior Civil Engineer
John Wallace, PE
Consulting Engineer
Kylie Castle
Marketing Coordinator
Zac Powell, EIT
Associate Engineer
Louis Lefebvre, PE
Senior Mechanical Designer
Nate Whitcare, PE
Senior Designer
Kathy Redden
Executive Assistant
Wen Bin Sullivan, EIT
Associate Engineer
Elvira Morla-Camacho, PE, QSD/P
Senior Civil Engineer
Marco Castaneda, PLS
Surveyor
Bill Lindahl
Senior Mechanical Engineer
Bianca Koenig, PLA, LEED AP
Director of Landscape Architecture
Julie Rae Wilson
Controller
Michael Hausman, PE
Civil Engineer
Zachary Teske, PE
Resident Engineer
Reagan Rinehart
Administrative Asst I
Jenni Metzger
Accounting Clerk
Matt Valez
Office Manager
Andrea Kingsbury, PE
Civil Engineer
Chris Gardner
Business Development/Marketing Manager
Travis Vasquez, EIT
Associate Engineer
Dylan Goodwin
Associate Engineer
Matt Welker
Project Analyst/Compliance Inspector
Lonnie Lepore
Senior Project Analyst
Jeffrey LeNay
GIS Technical Specialist
Brett Hadley, PE, QSD/P
Senior Civil Engineer
Bryan Childress, PE
Senior Mechanical Engineer
Luz Garcia, LSIT
Survey Technician
Michael Brennan
Director of Construction Management
Clayton Bradshaw, PE, PLS
Director of Surveying
Jesse Cabral, PE
Civil Engineer
Ethan Pence, EIT
Associate Engineer
Valerie Huff, PE
Senior Civil Engineer
Ryan Burmaster
Survey Technician
Gabriela Mendoza
Marketing Coordinator
Sarah Huffman, PE
Civil Engineer
Conner Kelly, EIT
Associate Engineer
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Jenna Mitchell
Human Resources Manager
George Marchenko, PLS
Senior Land Surveyor
Ann Sever, PLA, LEED AP
Senior Landscape Architect
Brett Hanson
Associate Landscape Designer
Bryce Dilger, PLS
Senior Land Surveyor II
Mark Madonna, PE
Survey Technician
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Glenn Rider
Senior Environmental Compliance Specialist
Esau Blanco, PE, QSD/P
Senior Civil Engineer
Josue Villanueva
Survey Technician
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