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