Our Staff

David is responsible for the design and construction management duties associated with roadway and highway construction. Additional responsibilities include water, sewer, and irrigation infra-structure designs and installations. He has experience in the structural design of numerous commercial, industrial, and residential buildings, geotechnical investigations, and construction management projects. Mr. Thibault is qualified as a bridge inspection team leader and has completed safety inspections for hundreds of in-service bridges for the State of Idaho. He has more than a decade of active involvement with land development and the construction industry. 

As a partner of EHM Engineers, Inc., David manages the technical staff and office personnel in addition to the professional engineering services for many private and public clients with total fees of approximately 4 million dollars annually.

Idaho Society of Professional Engineers

American Society of Civil Engineers

Professional Engineer: Idaho, Montana, and Nevada



Bridge Inspection Team Leader - FHWA-NHI-130055-2010

Bachelor's of Science from Idaho State University in Pocatello, Idaho

Class of 2007

Employed with EHM Since 1997

Brian has been employed with EHM Engineers, Inc. since 1995.  Brian directs the structural design department for the Twin Falls Office as well as performing foundation, building, bridge and roadway designs.  Brian’s prior experience includes five years as a cost and scheduling engineer for Idaho Power on two multi-million dollar hydroelectric projects.

Erosion and Sediment Control – Plan Designer – City of Boise

Bridge Inspection Team Leader-FHWA-NHI-130055-2010

Professional Engineer: Idaho

Bachelor's of Science from Idaho State University in Pocatello, Idaho

Class of 1990

Employed with EHM Since 1995

Employed with EHM Since 2004

Martha Tolman

Employed with EHM Since 1989

Employed with EHM Since 2021