Previously she has held a number of posts, including: adviser for the Office of the Prosecutor General of the Nation; National Director of the Office for the Promotion of Human Rights in the Office of the People’s Defender of Colombia, Director of the Consultancy for Human Rights and International Humanitarian Law at the Social Foundation, and professor and researcher at the Law School of the Universidad de los Andes and other national and international universities. She is the author of several books and essays published in different countries on freedom of expression, constitutional law, international criminal law and transitional justice.