Gordon R. Keller is currently a consulting Geotechnical Engineer. He retired from the USDA, Forest Service after working 40 years as a Staff Engineer and Project Manager in the Western United States. He received a BS in Civil Engineering from UCLA in 1968, served as an officer in the U.S. Navy for two years, and then received a MS in Geotechnical Engineering from U.C. Berkeley in 1972. He is currently licensed both as a Civil Engineer and Geotechnical Engineer in the State of California. Throughout his career he has worked extensively with slope stability, retaining structures, foundations, quarry location and development, highway materials, surface and subsurface drainage, erosion control measures, bridges and culvert design and repairs, environmental issues, and storm damage repairs, particularly related to low-volume roads.

Over the past 20 years he has done a large amount of training on rural roads design, roads Engineering Best Practices, and ways to mitigate environmental damage from roads. Roads training workshops and courses, both for the Federal Government and as a private consultant, have been presented worldwide, particularly in Latin America, and with some work in Africa, Australia, China, India, and the Western Pacific. Work has been with various Government agencies, World Bank, Pan-American Highway Institute, Rainforest Alliance, Brazilian Forest Service, Mexican Transportation Institute, International Road Federation, VicForests, Universities, and others. He has published numerous papers on various aspects of Geotechnical Engineering, and written several manuals on Minimum Impact Low-Volume Roads Design and Roads Engineering Best Management Practices. He is an active member of the Transportation Research Board, Low-Volume Roads Committee.