He was a former director of Islami Bank, and chairman of the Diganta Media Corporation, which owns Diganta TV.[1][2] He founded the Ibn Sina Trust and was a key figure in the establishment of the NGO Rabita al-Alam al-Islami.[3] He was considered to be the wealthiest member of the Bangladeshi political party Jamaat-e-Islami.[4] He was sentenced to death on 2 November 2014 for crimes against humanity committed during the Liberation War of Bangladesh in 1971 by International Crimes Tribunal of Bangladesh.[1][5] The charges were denied by his relatives, stating they were politically motivated.[6] Rights groups also raised concerns about these cases, with Amnesty International criticising the use of the death penalty and saying Mir Quasem Ali's trial had been unfair.[7] He was hanged at Gazipur on 3 September 2016[8] after his final appeal was rejected by the Supreme Court of Bangladesh.[9]