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