Water Resources
Our People
Bryan Childress, PE
Principal and Director of Mechanical Engineering
Robert Miller, PE
Principal
Kari Wagner, PE
Principal
Steven Tanaka, PE, CSI, CCS
Principal Civil Engineer
Travis Vasquez, PE
Associate Engineer
Olivia Williams
Associate Engineer
Bill Callahan
Senior Environmental Compliance Specialist
Alexandra Cass
Associate Engineer
Valerie Huff, PE
Senior Civil Engineer
Nate Whitcare, PE
Senior Designer
Glenn Rider
Senior Environmental Compliance Specialist
Zach Markow, PE
Civil Engineer
Tina Mayer, PE
Principal Civil Engineer
Alex Murray, PE
Civil Engineer
Greg Hulburd, PE, QSD/P
Director of Water Resources
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