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