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