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