Hassan Ayat Iranian Revolution but resigned from the party. Ayat joined the Islamic Republican Party and became a member of its central committee. He was elected as a member of Assembly of Experts for Constitution in Constitutional Convention election. After that, Ayat was elected as a member of Parliament from Tehran. He was one of the main leaders in impeachment of President Abulhassan Banisadr. He was opposed to the election of Mir-Hossein Mousavi as prime minister because he believed that Mir-Hossein Mousavi was a freemasonry agent who had penetrated in the political structure of the Islamic Republic of Iran to attempt the
2009 Mir-Hossein Mousavi presidential campaign been receiving discouraging messages from "the higher officials", a hint possibly at the Supreme Leader Ali Khamenei and/or the then President Akbar Hashemi Rafsanjani. Mousavi was considered as one of the possible candidates of the reformist alliance to run in the Iranian Presidential election, 2005. However he officially turned down the invitation of a number of parties in the reformist alliance on October 12, 2004, after a meeting with President Mohammad Khatami and the two other high-ranking members of the Association of Combatant Clerics, Mehdi Karroubi and Mohammad Mousavi-Khoiniha. Mousavi ran as an independent Principled Reformist candidate. Although he is