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