Career
Her husband was Khalil al-Wazir, a senior figure of the Palestine Liberation Organization who was assassinated by Israel in 1988. She has a bachelor's degree in history from Damascus University. Al-Wazir was born in Gaza City.
She helped found the General Union of Palestinian Women, an organization that focuses on the social, economic and legal status of Palestinian women. She was the Secretary-General of the General Union of Palestinian Women from 1980–85. During Khalil al-wazir (Abu Jihad's) exile, Intissar lived with him for 30 years although she was not under exile.
She returned to the Gaza Strip in 1995 and was elected to the PLC in 1996. From 1995 to 2005 she has been the Social Affairs Minister of the Palestinian National Authority.