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