حزب الدعوة الإسلامية
He joined the Islamic Dawa Party in 1968. Upon graduation from school in 1974 he worked actively for the party in Iraq which was trying to overthrow the Ba'athist secular government. He left for Iran in 1980 and became involved in the movement against Saddam Hussein there as part of the Supreme Council for the Islamic Revolution in Iraq where he represented the Islamic Dawa Party. He adopted the name "al-Jaafari" in exile to protect his family in Iraq from retribution by Saddam. He moved to London in 1989 where he became the al-Dawa spokesman in the UK and an important participant in the wider anti-Saddam movement. While in the UK he attended many Iraqi Events giving religious sermons.