[3] After completing study from University of Dhaka he joined its Political Science Department as a teacher.
[3] After joining Government Service he obtained a PhD from the University of London in International Politics.
[3][4][6] Shelley was the Founding Chairman of the Center for Development Research Bangladesh and editor of Asian Affairs.
[6] He was the Advisory Editor of Weekly Sochitro Swadesh and Trust Chairman of the Bangladesh Times.
[6] On the day of Eid al-Adha 1440 Hijri, Shelley died in Bangabandhu Sheikh Mujib Medical University Hospital of Dhaka on 12 August 2019 at the age of 76.