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