Alejandro Valencia Villa is a Colombian lawyer dedicated to the promotion and defence of Human Rights and Humanitarian Law. He is currently an advisor for the Office of the United Nations High Commissioner for Human Rights in Colombia. Mr. Valencia Villa has conducted research in humanitarian law for the Center of International Studies of Universidad de los Andes in Colombia, where he also taught as a professor on Human Rights. He has also worked as a lawyer of the Colombian Section of the Andean Commission of Jurists (today known as the Colombian Commission of Jurists) and of the Center for Justice and International Law in Washington D.C. He was the first National Director of the office in charge of receiving and processing complaints at the Public Defender Office in Colombia and was in charge of the special research team for the Truth Commission in Guatemala. Mr. Valencia Villa also worked as an advisor to the Inter-American Institute of Human Rights and the Reconciliation and Truth Commission in Peru, among others. He is author of several books and articles on Human Rights and Humanitarian Law.