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