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