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
Jenni Metzger
Project Analyst
Marco Castaneda, PLS
Professional Land Surveyor
Zac Powell, EIT
Associate Engineer
Jenna Mitchell
Human Resources Manager
Ralph Schell
Senior Civil Designer
Lonnie Richardson
Senior Project Analyst
Glenn Rider
Senior Environmental Compliance Specialist
Nate Whitcare, PE
Senior Designer
Wen Bin Sullivan, PE
Civil Engineer
Bryce Dilger, PLS
Senior Land Surveyor II
Paige Wirt
Administrative Assistant
Cris Disarufino
Senior Civil Designer
Sarah Huffman, PE
Civil Engineer
Julie Rae Wilson
Controller
Ethan Pence, EIT
Associate Engineer
Luz Garcia, PLS
Professional Land Surveyor
Travis Vasquez, PE
Associate Engineer
Elvira Morla-Camacho, PE, QSD/P
Senior Civil Engineer
Kathy Redden
Executive Assistant
Clayton Bradshaw, PE, PLS
Director of Surveying
Tony Scalise
Assistant Resident Engineer
Chris Gardner
Business Development/Marketing Manager
Paula Cappiello
Senior Accountant
Brett Hadley, PE, QSD/P
Senior Civil Engineer
Mark Madonna, PE
Survey Technician
Suzanne Baird. PLA 6114
Landscape Architect
Samar Saliba
Accounting
Bill Lindahl
Senior Mechanical Engineer
Bryan Childress, PE
Senior Mechanical Engineer
Daniel Herrera
Survey Technician I
Greg Hulburd, PE, QSD/P
Civil Engineer
Ryan Burmaster
Survey Technician
Tim Peterson
Project Analyst Compliance Inspector
Anthony Lehman
Assistant Resident Engineer
Zachary Caipang, EIT
Associate Engineer
Valerie Huff, PE
Senior Civil Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Conner Kelly, PE
Associate Engineer
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Michael Hausman, PE
Civil Engineer
Zach Markow, PE
Civil Engineer
Josh Whipple
Senior Mechanical Designer
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
John Wallace, PE
Consulting Engineer
Matt Valez
Office Manager
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Olivia Williams
Associate Engineer
Craig A. Campbell, PE, PLS
Consulting Engineer
Ann Sever, PLA 4038
Senior Landscape Architect
George Marchenko, PLS
Senior Land Surveyor
Kylie Castle
Marketing Coordinator
Erik Rutherford, PE
Senior Mechanical Engineer
Nick Sine, LSIT
Survey Technician
Zachary Teske, PE
Director of Construction Management
Alexandra Cass
Associate Engineer
Gabriela Mendoza
Marketing Coordinator
Skye Thomas, PLS
Senior Land Surveyor
Want to make our communities better?
