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