He was the founding General Secretary of the Ganatantri Party and part of the Independent University, Bangladesh's Governing and Trustee Board.
Ahmadul Kabir was born on 3 February 1923 in Ghorashal, Palash Upazila, Narsingdi District, East Bengal, British India.
He belonged to a Bengali Muslim family of zamindars, and his father was Abu Yusuf Lutful Kabir Fenu Miah and mother was Sufia Khatun.
He also founded IFIC Bank, Bengal Beverage Company, Essential Industries, and a bottling plant of Vita Cola.
Ahmadul Kabir was also the chairman of Commonwealth Press Union's Bangladesh unit, which led to him travelling across the world to places such as Glasgow, Hong Kong and The Bahamas.