After this he served as Guatemala's ambassador to the United Nations in the mid-1970s.
In 1973, Buckley served as a delegate to the United Nations.
He also served as the Argentine ambassador to the United Nations between 1966 and 1970.
He served as ambassador to the United Nations between 1980 and 1983.
In 1948, he served as secretary of Egyptian delegation to the United Nations.
Since then the building, which also serves as the country's mission to the United Nations, has been redecorated and partly renovated.
In 1981, he served as a delegate to the United Nations.
He also served as a consultant to the United Nations.
He is the longest serving current delegate to the United Nations.
From 1980 to 1981 she served as a Swedish delegate to the United Nations.