A leading institution within the field of transpersonal psychology is the Association for Transpersonal Psychology, which was founded in 1972. Past presidents of the association include Alyce Green, James Fadiman, Frances Vaughan, Arthur Hastings, Daniel Goleman, Robert Frager, Ronald Jue, Jeanne Achterberg and Dwight Judy. An international organization, "The International Transpersonal Psychology Association", was founded in the 1970s, and has more recently been revived by Harris Friedman. Also, a European counterpart to the American institution, the European Transpersonal Psychology Association (ETPA), was founded much later. The leading graduate school is Sofia University, formerly the Institute of Transpersonal Psychology. According to sources the university is private, non-sectarian, and accredited by the Western Association of Schools and Colleges.