Treleaven has been involved at °Ç¸çºÚÁÏ since his leadership as a student. For 47 years, he has been involved with The Alumni Association of °Ç¸çºÚÁÏ (including serving as president), Case Alumni Association, Spartan Club and several visiting and planning committees across the university, as well as hosted alumni and prospective students and generously supported CWRU fundraising.