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