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