Belhadj was chair of the ATFD from 2011 to 2013 and campaigns for gender and social equality. During the Jasmine Revolution of 2011 she led marches of thousands of women against President Zine El Abidine Ben Ali, the revolution later led to the fall of Ali and Tunisia's first ever democratic elections. She campaigns for new laws to be put in place against domestic violence. In 2015 amendments that she campaigned for brought about the freedom for women and children to apply for their own passports, previously they had to have the permission of their husband/father. She was director of the ATFD by 2014. Since the elections, which brought Islamist parties into power, Belhadj has been concerned by the resurgence of conservative Islamist policies. She has also complained of the disruption of ATFD meetings by government officials in the name of preserving "moral values".