2019 World's Most Ethical Companies

Derrick Hayes

M.S., P.E., Mountain & Pacific Regional Engineer

Derrick Hayes, M.S., P.E., Mountain & Pacific Regional 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

Rouse Slape, PMP, Frontline Deputy Director
Rouse Slape
PMP, Frontline Deputy Director
Nate Dummerth, MS, EIT, Field Engineer
Nate Dummerth
MS, EIT, Field Engineer
Josh Monroe, Director of Safety
Josh Monroe
Director of Safety

Meet Our Entire Team