Muhammad Nasir Syamaun studied public administration at Universitas Widya Mataram, Yogyakarta, earned a master's in public administration at Universitas Gadjah Mada and is pursuing a doctorate in economics at USK. He began in the North Aceh regency government, then worked at the Aceh parliament secretariat, the provincial governance bureau, the Wali Nanggroe office, as an assistant secretary and as head of the Aceh youth and sports office (2024) during the PON XXI games. A former fencer, he was secretary of KONI Aceh for two terms, chaired IKASI Aceh and has chaired KORMI Aceh since 2024. He became acting provincial secretary on 17 March 2025 replacing Alhudri, was installed as permanent secretary on 15 August 2025 and headed Aceh's hydrometeorological disaster command post in late 2025. A 23 June 2026 shareholders' meeting named him president commissioner of Bank Aceh Syariah for 2026–2030; Presidential Decree 95/TPA of 2026 (21 August 2026) honourably dismissed him as provincial secretary, after which he was installed as head of the Aceh library and archives office. He also chairs KAGAMA (UGM alumni) Aceh for 2025–2030.