Simone Troller is a senior researcher with Human Rights Watch's children's rights division and specializes in migrant and refugee children in Europe. Prior to joining Human Rights Watch, she worked for several years with the United Nations Office of the High Commissioner for Human Rights and the Organization for Security and Cooperation in Europe (OSCE). She holds graduate degrees from Fribourg University and the Swiss Federal Institute of Technology. She speaks German, English, French, Italian, and Russian.