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