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