Firoz was born in Wazirpur, Barisal in the then Bengal Presidency, British India.

[2] Firoz joined the Bangladesh Army in 1967, and reached the rank of Major before retiring in 1977.

He was active in the Dhaka theatre circuit, and got his breakthrough in King Lear.

He made his career debut in the television drama Dwip Tobuo Jwoley and in films in Lawarish.

[4][5] He died from COVID-19 complications during the COVID-19 pandemic in Bangladesh on 9 September 2020, at the age of 74.