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