This experience includes activities such as: serving as the lead interpretive ranger, coordinating/directing interpretive programs, overseeing day-to-day operations of a visitor center, researching and developing and presenting a wide variety of interpretive programs; researching, writing, designing and developing interpretive media; planning, implementing and following through on special interpretive events, projects or programs; and assisting with cultural and natural resources protection. D. or equivalent doctoral degree in a field related to the occupation such as natural resource management, natural sciences, earth sciences, history, archaeology, anthropology, park and recreation management; law enforcement/police science, social sciences, museum sciences, business administration, public administration, behavioral sciences, or sociology, or other closely related subjects pertinent to the management and protection of natural and cultural resource.