The Liechtenstein Institute on Self-Determination at Princeton University (LISD), the nongovernmental organization Watchlist on Children and Armed Conflict, and the Permanent Mission of Liechtenstein to the United Nations, convened a workshop, “Strengthening Implementation of the UN's Children and Armed Conflict Agenda,” on December 12-13, 2013, at Princeton University. The workshop brought together representatives of United Nations member states, members of the Security Council, United Nations offices, representatives of NGOs, and academics to discuss strengthening Security Council action toward perpetrators of violations against children in situations of armed conflict. The workshop produced recommendations for action to the Security Council and its Working Group on Children and Armed Conflict, the Secretary-General and his Special Representative for Children and Armed Conflict, UN member states, regional and subregional organizations and arrangements, and donors.