Hasnul Arifin Melayu (Dr., M.A.) is listed as a deputy secretary of the Daily Executive Board of ICMI's Aceh regional organisation (Orwil) for 2026–2031. He graduated from the Sharia Faculty of IAIN Ar-Raniry (1995), earned an MA in Islamic studies from McGill University, Canada (2000), and pursued doctoral studies at Universiti Utara Malaysia. A lecturer in Islamic political science at UIN Ar-Raniry's Faculty of Sharia and Law since 1997, he has headed its Department of Islamic Criminal and Political Law, served as vice dean, and in September 2026 was installed as head of the university's Institute for Research and Community Service (LP2M) for 2026–2030. His works include a methodology of siyasah research (2004), a history of Aceh's Mahkamah Syar'iyah (2012), a study of the problems of caning in Aceh (2011) and an article on Tjokroaminoto's political thought in Studia Islamika (2002).