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