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Collier Consulting & Collier Geophysics
Matt van Hattem

Matt van Hattem

Senior Project Manager And Civil/water Resource Engineer at Collier Consulting & Collier Geophysics

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Manager

Rocky Collier

CEO

Peers

Aaron Collier

Vice President

Brandon Gartrell

Saas Team Lead

Reports

Juan D. Ortega

Project Manager / Geophysicist

Alyson McDonald Ph.d., P.g.

Senior Hydrologist

Daniel Collazo

Hydrogeologist

Gretchen Miller Ph.d., P.e., P.g.

Sr. Groundwater Engineer

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Timeline

Senior Project Manager And Civil/water Resource Engineer
July, 2005 - present