When U Nu became the Prime Minister of the newly independent Burma, he asked Thant to join him in Rangoon and appointed him as Director of Broadcasting in 1948. In the following year he was appointed Secretary to the Government of Burma in the Ministry of Information. From 1951 to 1957, Thant was Secretary to the Prime Minister. He also took part in a number of international conferences and was the secretary of the first Asian-African summit in 1955 at Bandung, Indonesia which gave birth to the Non-Aligned Movement.