Tui Ātua Tupua Tamasese Efi

Tui Ātua Tupua Tamasese Tupuola Tufuga Efi (born Olaf "Efi" Tamasese) (born 1 March 1938), is a Samoan politician.
Tui Atua was Samoa's head of state (O le Ao o le Malo) from 2007 to 2017. He was Prime Minister of Samoa from 1976 to 1982 and again later in 1982. On 16 June 2007 he was elected as "O le Ao o le Malo", Samoa's head of state, for a five-year term.