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