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