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