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