EST connects clients with reliable talent they can count on.

Michael Vahabzadegan, PE


Paul Poynter, PE


Design Manager

Shane Long

Vice-President/Site Design Manager

Gary Evans, PE

Director of Operations

Gary Ridley, PE

Senior Consultant

Brad Martin, PE

Texas Division Manager

Allan Brown, PE

Colorado Division Manager

Cassidy Doescher, PE

Roadway Design Manager

Darin Metzer

Materials Testing/Laboratory Manager

Randall Payne, PLS

Survey Manager

Alseny Diop, PE

Geotechnical Engineering Manager

Amanda Newberry

Roadway Project Manager

Rod Wallace

Senior Project Manager

Charles Revelle

Construction Manager

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