After earning a Bachelor of Science degree in chemistry at the University of California at Berkeley on an NROTC scholarship and studying at Oxford University, Colby rose to the rank of Captain in the United States Marine Corps. He led both infantry and scout/sniper platoons throughout the Pacific Rim and the Middle East as part of various operations including Noble Eagle and Enduring Freedom; where he earned the Navy and Marine Corps Achievement Medal for outstanding performance.
Colby earned a Juris Doctor from Yale Law School, is a Registered Professional Engineer, and has worked on geohazard mitigation projects for over 17 years throughout the continental United States, Puerto Rico, and Jamaica. Colby has authored numerous papers on landslide and erosion control as well as Geosynthetically Confined Soil® technology. Colby regularly presents workshops across the United States and has given invited presentations in Canada, Mexico, New Zealand, and Taiwan. He is an active geotechnical researcher in soil nailing and confined soils, holds several patents in the field, serves as a member of the Deep Foundations Institute Landslide/Slope Stabilization Committee, won the prestigious EY Entrepreneur Of The Year™ award in 2014, and was honored as one of the national “Top 20 Under 40” by the leading industry publication Engineering News Record in 2018. Colby lives in Boca Grande, Florida, with his wife, Leslie; their sons Lachlan, Bridger, and Remington; and their daughter, Vivian.
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A town in the Northeastern United States was experiencing shallow sloughing of the roadway, which continued to slide and lose shoulder width.