Lee Kuan Yew was the first prime minister of Singapore from 1959 to 1990 and retired on 26 November 1990. Goh Chok Tong took over Lee Kuan Yew, while Lee Kuan Yew was given the job of Senior Minister in the Prime Minister's Office. Goh Chok Tong retired on 12 August 2004 and was replaced by Lee Kuan Yew's son Lee Hsien Loong. Goh was given the job of Senior Minister, and the older Lee the job of Minister Mentor.