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