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
Bill Callahan
Senior Environmental Compliance Specialist
Josh Whipple
Senior Mechanical Designer
Rick Riedl, PE
Prinicipal Engineer
Skye Thomas, PLS
Senior Surveyor
Conner Kelly, EIT
Associate Engineer
Reagan Rinehart
Administrative Asst I
Anthony Lehman
Assistant Resident Engineer
Zachary Teske, PE
Resident Engineer
Dylan Goodwin
Associate Engineer
Kathy Redden
Executive Assistant
Suzanne Baird. PLA 6114
Landscape Architect
Ben Q. Parcasio
Senior Construction Management
Paula Richardson
Senior Accountant
Ralph Schell
Senior Civil Designer
Chris Gardner
Business Development/Marketing Manager
Jenni Metzger
Project Analyst
Lonnie Lepore
Senior Project Analyst
Erik Rutherford, PE
Senior Mechanical Engineer
Cris Disarufino
Senior Civil Designer
Sarah Huffman, PE
Civil Engineer
Bryce Dilger, PLS
Senior Land Surveyor II
Michael Hausman, PE
Civil Engineer
Ethan Pence, EIT
Associate Engineer
Valerie Huff, PE
Senior Civil Engineer
Wen Bin Sullivan, EIT
Associate Engineer
Travis Vasquez, EIT
Associate Engineer
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Matt Valez
Office Manager
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Brett Hadley, PE, QSD/P
Senior Civil Engineer
Greg Hulburd, PE, QSD/P
Civil Engineer
Glenn Rider
Senior Environmental Compliance Specialist
Nate Whitcare, PE
Senior Designer
Bryan Childress, PE
Senior Mechanical Engineer
Ann Sever, PLA 4038
Senior Landscape Architect
Louis Lefebvre, PE
Senior Mechanical Designer
John Wallace, PE
Consulting Engineer
Nick Sine, LSIT
Survey Technician
Esau Blanco, PE, QSD/P
Senior Civil Engineer
Julie Rae Wilson
Controller
Ryan Burmaster
Survey Technician
Matt Welker
Project Analyst/Compliance Inspector
Tony Scalise
Assistant Resident Engineer II
Clayton Bradshaw, PE, PLS
Director of Surveying
Gabriela Mendoza
Marketing Coordinator
Zachary Caipang, EIT
Associate Engineer
Mark Madonna, PE
Survey Technician
Zac Powell, EIT
Associate Engineer
Andrea Kingsbury, PE
Civil Engineer
Marco Castaneda, PLS
Surveyor
Luz Garcia, LSIT
Survey Technician
Bill Lindahl
Senior Mechanical Engineer
Jenna Mitchell
Human Resources Manager
Elvira Morla-Camacho, PE, QSD/P
Senior Civil Engineer
George Marchenko, PLS
Senior Land Surveyor
Kylie Castle
Marketing Coordinator
Want to make our communities better?
