Meet Our Experts
Our Principals
Brad Brechwald, PE, PLS
CEO, President
Thomas Zehnder, PE
Principal
Jorge Aguilar, PE
Principal
Robert Miller, PE
Principal
Kari Wagner, PE
Principal and Director of Water Resources
Bryan Childress, PE
Principal and Director of Mechanical Engineering
Valerie Huff, PE
Senior Civil Engineer
John Wallace, PE
Consulting Engineer
Jorge Avila
Assistant Resident Engineer
Alex Murray, PE
Civil Engineer
Suzanne Baird. PLA 6114
Landscape Architect
Cris Disarufino
Senior Civil Designer
Wen Bin Sullivan, PE
Civil Engineer
Marco Castaneda, PLS
Professional Land Surveyor
Jenni Metzger
Project Analyst
Nate Whitcare, PE
Senior Designer
Nick Sine, LSIT
Survey Technician
Michael Hausman, PE
Civil Engineer
Sonil Kim
Assistant Resident Engineer
Zachary Caipang, PE
Associate Engineer
Jamie Rogers
Marketing Coordinator
Tony Scalise
Assistant Resident Engineer
Olivia Williams
Associate Engineer
Tim Peterson
Project Analyst Compliance Inspector
Marcus Jackson
Senior Program Manager
Matt Valez
Office Manager
Gabriela Mendoza
Marketing Coordinator
Greg Hulburd, PE, QSD/P
Civil Engineer
Lonnie Richardson
Senior Project Analyst
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Zachary Teske, PE
Director of Construction Management
Erik Rutherford, PE
Senior Mechanical Engineer
Clayton Bradshaw, PE, PLS
Director of Surveying
Bryce Dilger, PLS
Senior Land Surveyor II
Jamie Platz, PE
Senior Civil Engineer
Kathy Redden
Executive Assistant
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Alexandra Cass
Associate Engineer
Ioanna Bruno
Landscape Designer
Mark Madonna, PE
Survey Technician
Zac Powell, EIT
Associate Engineer
Brandon Puccini
Associate Engineer
Zach Markow, PE
Civil Engineer
Brett Hadley, PE, QSD/P
Senior Civil Engineer
Alvaro Escobedo
Associate Engineer
Luz Garcia, PLS
Professional Land Surveyor
Conner Kelly, PE
Associate Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Skye Thomas, PLS
Senior Land Surveyor
Glenn Rider
Senior Environmental Compliance Specialist
George Marchenko, PLS
Senior Land Surveyor
Paula Cappiello
Senior Accountant
Bill Lindahl, PE
Senior Mechanical Engineer
Tina Mayer, PE
Principal Civil Engineer
Lee Faraca, PE
Civil Engineer
Josh Whipple
Senior Mechanical Designer
Daniel Herrera
Survey Technician
Bria diCicco
Marketing & Business Development Manager
Jenna Mitchell
Human Resources Manager
JB Barrera
Assistant Resident Engineer
Ralph Schell
Senior Civil Designer
Samar Saliba
Accounting
Anthony Lehman
Assistant Resident Engineer
Ryan Burmaster
Survey Technician
Ethan Pence, PE
Civil Engineer
Heather Johnson
Reception & Admin
Sarah Huffman, PE
Civil Engineer
Marilynn Connell
Landscape Designer
Ann Sever, PLA 4038
Senior Landscape Architect
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Julie Rae Wilson
Controller
Travis Vasquez, PE
Associate Engineer
Want to make our communities better?
