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