He was cofounder of the Freedom Movement of Iran, Abroad, along with Mostafa Chamran, Ali Shariati, and Sadegh Qotbzadeh in 1961. They were all part of the radical external wing of the group. In 1963, Yazdi, Chamran and Ghotbzadeh went to Egypt and met the authorities to establish an anti-Shah organization in the country, which was later called SAMA, special organization for unity and action.