Leon graduated from GSC in 1974. He worked for the Planning and Development Division of DNR for two years, was licensed in 1976 and worked for Swecker Eng for 13 years. During his time there, he was involved with boundary surveys and survey work for engineering projects. He has been in private practice for the past 33 years and has completed courses in tree identification at GSC. He has been practicing tree and wood identification and boundary line marking throughout his career as a Land Surveyor; cutting trees and working with wood over the years; and being instructed by his father growing up. Leon has taught several Tree & Wood ID seminars for the Elkins Chapter and WVSPS. The seminars are with the use of hands-on samples of leaves, wood and bark, and green poles for demonstration of tree marking.