Hamas, an acronym of its official name, Harakat al-Muqawama al-Islamiya, is a Palestinian Sunni Islamist political and military movement governing parts of the occupied Gaza Strip. Wikipedia
Leader: Ismail Haniyeh (Party leader)
Founders: Ahmed Yassin, Hassan Yousef, Ibrahim Fares Al-Yazouri, and more
Leadership: Ismail Haniyeh (Party leader)
Founded: 1987
Headquarters: Gaza