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Danny Simpson (Osher @ SDSU member) is a certified and highly skilled professional arborist with a wealth of experience. With an impressive 45-year tenure in the Horticulture Department at the San Diego Zoo, he excelled in his role as Browse Manager. Dan's expertise extends to his instructing experience in the Arboriculture program at Cuyamaca College for numerous semesters. He is a dedicated member of the Professional Tree Care Association, serving on the Education Committee in an emeritus capacity. Additionally, Dan actively contributes to the Osher @ SDSU community, bringing his extensive knowledge and passion for arboriculture to the program.