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