Meet Our Experts
Our Principals
Brad Brechwald, PE, PLS
CEO, President
Thomas Zehnder, PE
Principal, CFO
Jorge Aguilar, PE
Principal
Robert Miller, PE
Principal
Kari Wagner, PE
Principal, COO
Bryan Childress, PE
Principal and Director of Mechanical Engineering
Alex Murray, PE
Civil Engineer
Jamie Rogers
Marketing Coordinator
Samar Saliba
Senior Accountant
Jorge Avila
Assistant Resident Engineer
Jenna Mitchell
Human Resources Manager
Nick Sine, LSIT
Survey Technician
Bria diCicco
Marketing & Business Development Manager
Anthony Lehman
Assistant Resident Engineer
Ethan Pence, PE
Civil Engineer
Josh Whipple
Senior Mechanical Designer
Clayton Bradshaw, PE, PLS
Director of Surveying
Zach Markow, PE
Civil Engineer
Lonnie Richardson
Senior Project Analyst
Sarah Huffman, PE
Civil Engineer
Tina Mayer, PE
Principal Civil Engineer
Zachary Caipang, PE
Associate Engineer
Jenni Metzger
Project Analyst
Zachary Teske, PE
Director of Construction Management
Sonil Kim
Assistant Resident Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Zac Powell, PE
Associate Engineer
Greg Hulburd, PE, QSD/P
Director of Water Resources
David Jamesson, PLA
Landscape Architect
Paula Cappiello
Senior Accountant
Marco Castaneda, PLS
Professional Land Surveyor
Bill Lindahl, PE
Senior Mechanical Engineer
Marcus Jackson
Senior Program Manager
John Wallace, PE
Consulting Engineer
JB Barrera
Assistant Resident Engineer
Gabriela Mendoza
Accountant
Matt Valez
Operations Manager
George Marchenko, PLS
Senior Land Surveyor
Frances Yu
Survey Technician
Mark Madonna, PE
Survey Technician
Valerie Huff, PE
Senior Civil Engineer
Glenn Rider
Senior Environmental Compliance Specialist
Ryan Burmaster
Survey Technician
Erik Rutherford, PE
Senior Mechanical Engineer
Tim Peterson
Project Analyst Compliance Inspector
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Cris Disarufino
Senior Civil Designer
Brandon Puccini
Associate Engineer
Jamie Platz, PE
Senior Civil Engineer
Bryce Dilger, PLS
Senior Land Surveyor II
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Julie Rae Wilson
Controller
Suzanne Baird, PLA, ASLA
Landscape Architect
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Lee Faraca, PE
Civil Engineer
Olivia Williams
Associate Engineer
Marilynn Connell
Landscape Designer
Tony Scalise
Assistant Resident Engineer
Wen Bin Sullivan, PE
Civil Engineer
Heather Johnson
Reception & Admin
Alexandra Cass
Associate Engineer
Luz Garcia, PLS
Professional Land Surveyor
Conner Kelly, PE
Associate Engineer
Alvaro Escobedo
Associate Engineer
Kathy Redden
Executive Assistant
Michael Hausman, PE
Civil Engineer
Daniel Herrera
Survey Technician
Ralph Schell
Senior Civil Designer
Travis Vasquez, PE
Associate Engineer
Nate Whitcare, PE
Senior Designer
Jessica Escobar, PLA
Landscape Architect
Want to make our communities better?
