Dr. Vizi has extensive expertise on minority rights and their implementation in contemporary Europe. He has contributed to research projects on minority language rights (e.g. EU SSA financed programme: Dimensions of Linguistic Otherness: Prospects and Maintenance and Revitalization of Minority Languages; member of the organizing committee of 11th ICML) and provided expertise for international organisations (OSCE, Council of Europe, UN) and NGOs on the domestic implementation of international minority rights standards.