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