Mustafiz Mamun was born in 1982 in Jhalakathi district, south of the Bangladeshi capital of Dhaka. Involved in photography since 1999, he participated in several group photography exhibitions and workshops in Dhaka from 2001 to 2006.
During his studies at Dhaka University, he also completed a course in photography from the Dhaka University Photographic Society before he graduated with a Masters in Social Science (Political Science) in 2006. That same year, he obtained a Diploma in Photography from Pathshala, the South Asian Institute of Photography.
Since 2002, Mustafiz worked in the feature section of the Daily Ittefaq, a Bangla newspaper. In Jan 2007, he joined the leading Bangladeshi online news agency www.bdnews24.com as a staff photographer.