He completed a post graduate diploma from London School of Economics in development administration.

[3] HT Imam was a key figure during the Liberation War, he served as the cabinet secretary in the Mujibnagar government; the first administrative body dedicated to envisioning an independent Bangladesh.

[3][4] He was the political advisor to the Prime Minister Sheikh Hasina of Bangladesh.

He blamed the Inter Service Intelligence for facilitating the July 2016 Dhaka attack.

[7] Imam died on 4 March 2021 at the Combined Military Hospital, Dhaka, Bangladesh.