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