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