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