billion. Membership Present members include Fatah – largest faction, secular, left-wing nationalist. Popular Front for the Liberation of Palestine (PFLP) – second largest, radical left militant and communist Democratic Front for the Liberation of Palestine (DFLP) – third largest, communist Palestinian People's Party (PPP) – socialist Palestinian Liberation Front (PLF, Abu Abbas faction) – minor left-wing breakaway from the Popular Front for the Liberation of Palestine – General Command, after the looting of Beirut in 1975 for which Abu Abbas was blamed. Arab Liberation Front (ALF) – minor faction, aligned to the Iraqi-led Ba'ath Party As-Sa'iqa – Syrian-controlled Ba'athist faction Palestinian Democratic Union (Fida) – minor democratic socialist, two-state solution, non militant faction Palestinian Popular Struggle Front (PPSF, Samir Ghawsha faction) – minor socialist faction Palestinian Arab Front (PAF) – minor pro-Fatah, former Iraqi Ba'athist faction Former member groups of the PLO include Palestinian Liberation Front (PLF, Abu Nidal Ashqar wing) – socialist Popular Front for the Liberation of Palestine – General Command (PFLP-GC) – aligned to Syria Revolutionary Palestinian Communist Party (RPCP) – communist Fatah al-Intifada – Syrian-controlled, leftist split from Fatah Palestinian Popular Struggle Front (PPSF, Khalid ʽAbd al-Majid faction) – leftist split from PSF Executive Committee Chairmen Ahmad Shukeiri (2 June 1964 – 24 December 1967) Yahya Hammuda (24 December 1967 – 2 February 1969) Yasser Arafat "Abu Amar" (4 February 1969 – 11 November 2004) (in exile in Jordan to April 1971; Lebanon 1971 – December 1982; and Tunis December 1982 – May 1994) Mahmoud Abbas "Abu Mazen" (From 29 October 2004 – present) (acting [for Arafat] until 11 November 2004) See also Alliance of Palestinian Forces Fatah–Hamas conflict History of the State of Palestine Human rights in the State of Palestine Israeli–Palestinian conflict Palestine Liberation Army Palestinian political violence Palestinian territories PLO Negotiations Affairs Department Palestinian exodus from Kuwait (1990–91) Rejectionist Front Timeline of the Israeli–Palestinian conflict References Bibliography Yezid Sayigh, "Struggle Within, Struggle Without: the Transformation of PLO politics since 1982," International Affairs vol. 65, no. 2 (spring 1989) pages 247–271. External links Official sites PLO Negotiations Affairs Department Permanent Observer Mission of Palestine to the United Nations Documents Statement of Proclamation of the Organization (1964) Palestinian National Charter (1968) published by The Avalon Project at Yale Law School Palestinian National Charter (1968) on Wikisource Palestinian National Charter (1964) published by the Permanent Observer Mission of Palestine to the United Nations PLO Political Program