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