 In 1975 Greene changed his focus to secondary education, and in 1977 he received his Bachelor of Arts in history, with a New York State teaching certification in Social Studies (7-12).In 1979 Greene received his Master of Arts in history from St. Bonaventure.While at St. Bonaventure, Greene was a disc jockey for the campus radio stations, WOFM-AM, and WSBU-FM, and served on the station's Board of Directors.