Shimon Peres was an Israeli politician who served as the eighth prime minister of Israel from 1984 to 1986 and from 1995 to 1996 and as the ninth president of Israel from 2007 to 2014. He was a member of twelve cabinets and represented five political parties in a political career spanning 70 years. Peres was elected to the Knesset in November 1959 and except for a three-month-long interregnum in early 2006, served as a member of the Knesset continuously until he was elected president in 2007. Serving in the Knesset for 48 years, Peres is the longest serving member in the Knesset's history. At the time of his retirement from politics in 2014, he was the world's oldest head of state and was considered the last link to Israel's founding generation.