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