Born in Poland in 1916, Dorot immigrated to the British Mandate of Palestine in 1936, and served in the Jewish Settlement Police. In World War II he volunteered and served in the British Army. After his discharge he was recruited to the Haganah Intelligence Service. Subsequent to the Israeli War of Independence he was transferred to the Israel Security Agency (ISA, Shin Bet). After one year as Head of Shin Bet, in October 1953, Dorot followed Isser Harel to the Mossad as Deputy Director; he was replaced as Director of Shin Bet by Amos Manor. He served as deputy director of the Mossad until 1963.
- "Izi Dorot". Shin Bet Website. Retrieved 2008-07-06.