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