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