Until 1999, Sheikh Bashir was Muslim team leader in the annual one-week Standing European Conference of Jews, Christians and Muslims in Europe (JCM) in Bendorf in the Hedwig-Dransfeld-Haus. Since 1985 he has been the Muslim team leader of the biennial one-week "Three Faiths Summer School" by Jews, Christians and Muslims (JCM) Ammerdown (UK). Since 1998 he has been an Honorary Fellow at the Jewish Leo Baeck College in London. In addition, he is a member of the board or a member of a number of other organizations and associations, such as the World Conference of Religions for Peace (WCRP), a number of German-Arab Friendship Associations, some Sufi groups / religious orders. In addition, he is also active as a speaker and co-organizer of seminars.