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