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