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