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