Professor Rihani is a member of several international associations, among which are: the Association of College Administration Professionals (ACAP), Virginia; the American Association of School Administrators (AASA); the Association of Lebanese Writers (Itihad Al-Kuttab Al-Lubnaniyeen), Beirut, Lebanon; the Association for Supervision and Curriculum Development (ASCD), Washington D.C.; the Association for the Advancement of International Education (AAIE); the President of the Teachers Association of the International College (TAIC), Beirut, and the President of the Lebanese Youth League, Beirut.