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