Dr Sitiveni Halapua is a Tongan politician and member of the member of the Tongan Parliament. His also deputy leader of the Democratic Party of the Friendly Islands.
Mr Halapua has a PhD in Economics from the University of Kent in England. He lectured in Economics at the USP, Suva, Fiji. He later worked as Director of the Pacific Islands Development Programme at the East-West Center in Hawaii. While working at the East-West Center he developed a conflict-resolution system based on the Polynesians practice of Talanoa, which he has applied in the Cooks Islands, Fiji and Tonga. He was also appointed to the National Committee for Political Reform, aimed at producing a plan for the democratic reform of Tonga.