Lamberto Zannier is Secretary-General of the Organization for Security and Cooperation in Europe (OSCE). Zannier is an Italian career diplomat. From June 2008 to June 2011 he was UN Special Representative for Kosovo and Head of the United Nations Interim Administration Mission in Kosovo (UNMIK). From 2002 to 2006, he was the Director of the Conflict Prevention Centre of the OSCE. Previous senior positions include Permanent Representative of Italy to the Executive Council of the Organization for the Prohibition of Chemical Weapons in The Hague (2000-2002), chairperson of the negotiations on the adaptation of the Treaty on Conventional Armed Forces in Europe (1997-2000) and Head of Disarmament, Arms Control and Cooperative Security at NATO (1991-1997).