Nathan has worked for GeoStabilization for over 10 years, managing and engineering projects throughout North America. A former Captain in the United States Air Force, Nathan held the position of Program Manager, Coach, and Instructor at the United States Air Force Academy; the Atlas II Program Manager at Cape Canaveral Air Force Station, Florida; and the Systems Engineering Chief at Patrick Air Force Base, Florida. Nathan was awarded the United States Air Force Academy Instructor of the Semester in 2006, the Unites States Air Force Academy Newcomer Instructor of the Semester in 2005, and earned the Air Force Achievement Medal for outstanding performance. Nathan attended the United States Air Force Academy, graduating with a B.S. in Civil Engineering and served as the Co-Captain of the 2000 Air Force Academy football team.
Nathan has authored numerous papers on geohazards and lives in Destin, Florida, with his wife, Ashlee; their daughter, Olivia, and their son, Braxton.
A variation of karst sinkhole grouting is the grouting of mined coal seams and workings located below existing infrastructure that exhibit the potential to propagate to the surface and cause sinkholes and/or subsidence.