In 1960, he was appointed to the rank of Ambassador.[1] He served as Deputy Permanent Representative of Israel to the United Nations in New York from 1967 to 1971, and Israel's Permanent Representative to the United Nations and other international organizations in Geneva from 1971 to 1974.[1] In 1972, a letter bomb was sent to him, which was defused.[10] He was appointed Ambassador-at-Large in 1974.[1]