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