世界人権会議
Leidholdt also serves as a Board Member of the Coalition Against Trafficking in Women (CATW), which she helped found in 1988. She has represented the Coalition at numerous international meetings, including the World Conference on Human Rights (Vienna, 1993) and the Fourth World Conference on Women (Beijing, 1995). On 6 December 1996, in a special session commemorating the abolition of slavery, Leidholdt and a survivor of sex trafficking together addressed the General Assembly of the United Nations.