[3] Nasum Ahmed was born on 5 December 1994 to Bengali Muslim parents in Jalalabad, Sylhet.

His grandfather migrated to Sylhet in 1958 from their ancestral home which is in the village of Mardapur in Derai, Sunamganj District.

[4] In November 2019, Nasum was selected to play for the Chattogram Challengers in the 2019–20 Bangladesh Premier League.

[6] In January 2021, he was one of four uncapped players to be named in a preliminary squad for the One Day International (ODI) series against the West Indies.

[13] In February 2022, he was named in Bangladesh's One Day International (ODI) squad for their series against Afghanistan.