Gordon Keller has worked as a Geotechnical Engineer and Project Manager for various departments of the U.S. Forest Service since 1972. He is currently a consulting Civil Engineer. He has worked extensively with slope stability, retaining structures, foundations, quarry location and development, highway materials, surface and subsurface drainage, erosion control measures, mine reclamation, rehabilitation of watersheds, bridges and culvert design and repairs, and international training on rural road design.
Gordon has worked as a consultant in Geotechnical Engineering and as an instructor for GTZ, World Bank, IDB, IPC (FHWA), Auburn University, University of Costa Rica, VicForests (Australia), and others. Over the past 15 years, he has delivered more than 50 training courses on rural roads. Gordon has worked extensively in Latin America, the United States, and also in Africa, China, India, the Pacific, the Caribbean, and Australia.