Her area of expertise is UN peacekeeping and mediation, including the Disarmament, Demobilization and Reintegration of armed groups and Transitional Justice. She has served with the United Nations at headquarters in New York and Geneva, and in the UN field missions in the Central African Republic, Libya and Sudan. Ms Rusch holds a Masters in Political Sciences from the Institut d’Etudes Politiques de Paris (Sciences Po), a Maîtrise en droit from the Universite de Paris I (Panthéon-Sorbonne), and an LL.M. from the University of Cologne.