Leonard Jones, P.E. is a Colorado Professional Engineer with over 30 years diverse experience in designing, operating, and trouble-shooting energy systems. A graduate of the Colorado School of Mines with a B.S. in Metallurgical and Materials Engineering, he also holds a M.B.A. from Nova Southeastern University and a M.S. in Information Science from Regis University. Jones began his career as an officer in the U.S. Army Corps of Engineers, where he received an introduction to the use of modified soils as construction materials as well as building with vernacular materials. His subsequent professional assignments have included engineering and cogeneration operation at a large mine and mill complex, managing energy systems engineering for a large midwestern natural gas utility, and facilities management at the National Renewable Energy Laboratory. While currently employed in Information Technology for a large telecommunications company, his primary current interests include earth building and evaluating alternative technologies. He maintains a professional engineering practice assisting non-traditional builders with engineering documents and building permit applications. Jones is currently building a low-energy rammed earth house at Crestone, Colorado, and is interested in discussing possible consulting assignments with potential clients. Leonard's website, buildwithearth.com/rammedearth lists many resourses.