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
Jenna Mitchell
Human Resources Manager
Nick Sine, LSIT
Survey Technician
Lonnie Richardson
Senior Project Analyst
Alexandra Cass
Associate Engineer
Olivia Williams
Associate Engineer
Wen Bin Sullivan, PE
Civil Engineer
Ioanna Bruno
Landscape Designer
Jenni Metzger
Project Analyst
JB Barrera
Assistant Resident Engineer
Michael Hausman, PE
Civil Engineer
Zach Markow, PE
Civil Engineer
Kathy Redden
Executive Assistant
Heather Johnson
Reception & Admin
Marcus Jackson
Senior Program Manager
Ralph Schell
Senior Civil Designer
Tony Scalise
Assistant Resident Engineer
Brandon Puccini
Associate Engineer
Anthony Lehman
Assistant Resident Engineer
Ryan Burmaster
Survey Technician
Rachel Hawthorne, PE
Director of Civil and Transportation Engineering
Tina Mayer, PE
Principal Civil Engineer
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Nate Whitcare, PE
Senior Designer
Cris Disarufino
Senior Civil Designer
Erik Rutherford, PE
Senior Mechanical Engineer
Lee Faraca, PE
Civil Engineer
Zachary Caipang, PE
Associate Engineer
Samar Saliba
Accounting
Bill Lindahl, PE
Senior Mechanical Engineer
Suzanne Baird. PLA 6114
Landscape Architect
Skye Thomas, PLS
Senior Land Surveyor
Zachary Teske, PE
Director of Construction Management
Bill Callahan
Senior Environmental Compliance Specialist
Jamie Rogers
Marketing Coordinator
Conner Kelly, PE
Associate Engineer
Paula Cappiello
Senior Accountant
Marilynn Connell
Landscape Designer
Josh Whipple
Senior Mechanical Designer
Gabriela Mendoza
Marketing Coordinator
John Wallace, PE
Consulting Engineer
Valerie Huff, PE
Senior Civil Engineer
Brett Hadley, PE, QSD/P
Senior Civil Engineer
Sarah Huffman, PE
Civil Engineer
Jorge Avila
Assistant Resident Engineer
Luz Garcia, PLS
Professional Land Surveyor
Clayton Bradshaw, PE, PLS
Director of Surveying
Sonil Kim
Assistant Resident Engineer
Tim Peterson
Project Analyst Compliance Inspector
Greg Hulburd, PE, QSD/P
Civil Engineer
Daniel Herrera
Survey Technician
Ethan Pence, PE
Civil Engineer
Bryce Dilger, PLS
Senior Land Surveyor II
Jamie Platz, PE
Senior Civil Engineer
Glenn Rider
Senior Environmental Compliance Specialist
Travis Vasquez, PE
Associate Engineer
Zac Powell, EIT
Associate Engineer
Matt Valez
Office Manager
Bria diCicco
Marketing & Business Development Manager
Alvaro Escobedo
Associate Engineer
Ann Sever, PLA 4038
Senior Landscape Architect
Matt Wilkins, PLA, ASLA, APA
Director of Landscape Architecture
Mark Madonna, PE
Survey Technician
Alex Murray, PE
Civil Engineer
Marco Castaneda, PLS
Professional Land Surveyor
Julie Rae Wilson
Controller
George Marchenko, PLS
Senior Land Surveyor
Want to make our communities better?
