Country/Region Title Name (Country) UN Mission Date of Appointment Latin American Region Special Adviser of the Secretary-General on Latin American Issues Diego Cordovez (Ecuador)   April 1999 Guyana - Venezuela Personal Representative of the Secretary-General on the Border Controversy between Guyana and Venezuela Oliver Jackman (Barbados)   26 October 1999 Haiti Special Representative of the Secretary-General and Head of Mission Edmond Mulet (Guatemala) United Nations Stabilization Mission in Haiti (MINUSTAH) 1 June 2006 Principal Deputy Special Representative of the Secretary-General Luiz Carlos da Costa (Brazil) United Nations Stabilization Mission in Haiti (MINUSTAH) 10 November 2006 Deputy Special Representative of the Secretary-General Adama Guindo (Mali) United Nations Stabilization Mission in Haiti (MINUSTAH) 1 June 2004