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