Rusman Gunawan, also known as Gun Gun, is an Indonesian jailed for "facilitating and aiding terrorism". He is the younger brother of the Jemaah Islamiah (JI) chief of operations, Hambali. Born in the West Java town of Cianjur, he moved to Pakistan to continue his religious studies at an Islamic school (madrassas). After graduating, he travelled to Afghanistan to train at the Al Ghuraba training camp. From 1999 he was in charge of coordinating visits from JI Southeast Asian operatives to Afghanistan and Pakistan.