He is a specialist in all four traditional Sunni schools, with an emphasis on the Maliki Madh'hab. Currently he is the President of the Forum for Promoting Peace in Muslim Societies. Bin Bayyah is involved in a number of scholarly councils including The Islamic Fiqh Council, a Saudi-based Institute, he was also the Vice-President of International Union of Muslim Scholars. from which he resigned in 2014. He was also a member of the Dublin-based European Council for Fatwa and Research, a council of Muslim clerics that aims at explaining Islamic law in a way that is sensitive to the realities of European Muslims. For over two decades, in relation to the latter two institutions, he worked closely with the Egyptian scholar Yusuf al-Qaradawi.