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 Craig A. Campbell, PE, PLS Principal Bill Callahan Senior Environmental Compliance Specialist Josh Whipple Senior Mechanical Designer Rick Riedl, PE Prinicipal Engineer Skye Thomas, PLS Senior Surveyor Conner Kelly, EIT Associate Engineer Reagan Rinehart Administrative Asst I Anthony Lehman Assistant Resident Engineer Zachary Teske, PE Resident Engineer Dylan Goodwin Associate Engineer Kathy Redden Executive Assistant Suzanne Baird. PLA 6114 Landscape Architect Ben Q. Parcasio Senior Construction Management Paula Richardson Senior Accountant Ralph Schell Senior Civil Designer Chris Gardner Business Development/Marketing Manager Jenni Metzger Project Analyst Lonnie Lepore Senior Project Analyst Erik Rutherford, PE Senior Mechanical Engineer Cris Disarufino Senior Civil Designer Sarah Huffman, PE Civil Engineer Bryce Dilger, PLS Senior Land Surveyor II Michael Hausman, PE Civil Engineer Ethan Pence, EIT Associate Engineer Valerie Huff, PE Senior Civil Engineer Wen Bin Sullivan, EIT Associate Engineer Travis Vasquez, EIT Associate Engineer Rachel Hawthorne, PE Director of Civil and Transportation Engineering Matt Valez Office Manager Steven Tanaka, PE, CSI, CCS Principal Civil Engineer Brett Hadley, PE, QSD/P Senior Civil Engineer Greg Hulburd, PE, QSD/P Civil Engineer Glenn Rider Senior Environmental Compliance Specialist Nate Whitcare, PE Senior Designer Bryan Childress, PE Senior Mechanical Engineer Ann Sever, PLA 4038 Senior Landscape Architect Louis Lefebvre, PE Senior Mechanical Designer John Wallace, PE Consulting Engineer Nick Sine, LSIT Survey Technician Esau Blanco, PE, QSD/P Senior Civil Engineer Julie Rae Wilson Controller Ryan Burmaster Survey Technician Matt Welker Project Analyst/Compliance Inspector Tony Scalise Assistant Resident Engineer II Clayton Bradshaw, PE, PLS Director of Surveying Gabriela Mendoza Marketing Coordinator Zachary Caipang, EIT Associate Engineer Mark Madonna, PE Survey Technician Zac Powell, EIT Associate Engineer Andrea Kingsbury, PE Civil Engineer Marco Castaneda, PLS Surveyor Luz Garcia, LSIT Survey Technician Bill Lindahl Senior Mechanical Engineer Jenna Mitchell Human Resources Manager Elvira Morla-Camacho, PE, QSD/P Senior Civil Engineer George Marchenko, PLS Senior Land Surveyor Kylie Castle Marketing Coordinator Want to make our communities better? Join Our Team More Of Our Projects