He was an Amnesty International prisoner of conscience in 1985 and 1988, member of International Commission of Jurists EXCO and IDAL EXCO, and Vice President of the International Federation of Human Rights.
Ia merupakan seorang tahanan hati nurani Amnesty International pada 1985 dan 1988, anggota International Commission of Jurists EXCO dan IDAL EXCO, dan Wakil Presiden Federasi Hak Asasi Manusia Internasional.