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