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