Born in old Dhaka, Mahmud Hossain Opu spent the early part of hislife in the bustling alleys of the old city, observing the plight of people from all walks of life.

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Having completed his diploma in photojournalism from Pathshala South Asian Media Institute, he went on to document humanmade disasters like the fire at Tazreen Fashions, the collapse of Rana Plaza, numerous political crises stemming from the Hefazat-e-Islami movement, national elections, and the horrendous terror attack by ISIS at Holey Artisan Cafe. Mahmud has been documenting the lives of the displaced Rohingya refugees since their influx into the country.

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Mahmud's work has been published in reputed publications including the New York Times, National Geographic, Wall Street Journal, The Economist, Adventist Development and Relief Agency (ADRA), BRAC, Royal Holloway University of London, National Rural Electric Cooperative Association (NRECA), World Health Organization (WHO), International Committee of the Red Cross (ICRC), Free a Girl, Internal Displacement Monitoring Centre (IDMC), NIKKEI Asia, The Diplomat, Reuters, and The Wire, among others.