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