GEORGETOWN, Guyana – Guyana has nominated its Ambassador to Washington, Bayney Karran to become the next Assistant Secretary General of the Organisation of American States (OAS), a top government official has confirmed. “Guyana has nominated the Guyanese Ambassador in Washington,” said Head of the Presidential Secretariat, Dr. Roger Luncheon. Karran has been his country’s Ambassador to the United States since 2003 and Permanent Representative to the OAS for several years now.