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