Worlds Most Ethical Companies 2019-2020

Derrick Hayes

M.S., P.E., Deputy Chief Engineer

Derrick Hayes, M.S., P.E., Deputy Chief Engineer

Derrick brings over ten years of geotechnical engineering experience across a broad range of geotechnical topics. His design skill set ranges from slope stabilization, deep foundations, seismic site response, lightweight fills, to pavements. Derrick’s professional experience includes task leads for projects such as the I-5: Columbia River Crossing Bridge, Oregon DOT bridge seismic retrofit program, and numerous water/wastewater and transportation related projects. Derrick is a registered civil and geotechnical engineer in the State of Oregon and holds an MS and BS in civil engineering from Oregon State University. He enjoys spending time with his family, coaching youth sports, and trying to recapture his youth with mixed martial arts.


Meet Your Local Team

Jared McDowell, Southeast & South Central Regional Operations Manager
Jared McDowell
Southeast & South Central Regional Operations Manager
Colby Barrett, J.D., P.E., CEO
Colby Barrett
J.D., P.E., CEO
Nate Dummerth, MS, EIT, Field Engineer
Nate Dummerth
MS, EIT, Field Engineer

Meet Our Entire Team