Masiu, from Botulai village, in South Bougainville has been a member of Papua New Guinea National Parliament since July 2016, representing the electorate of South Bougainville Open for the People’s Progress Party (2016–2017) and National Alliance Party (2017–present).
Masiu was born on 25th November 1964. He was a journalist and broadcaster before entering politics, working for the National Broadcasting Corporation (NBC) from 1981 with Radio Bougainville, Radio Enga and Radio East New Britain. He left NBC and worked as a government liaison officer for the Bougainville restoration team before becoming the New Guinea Islands bureau chief for The National newspaper from 1994 to 1999.
Later he served as media officer for Bougainville Governor Dr. John Momis before joining the office of East New Britain Governor and later Deputy Prime Minister Leo Dion as first secretary. He left Dion’s office to work as government liaison officer for New Britain Palm Oil Limited, but returned in December 2014 to head Dion’s Kokopo office, serving in that role until his entry into parliament.
He has also served as deputy chairman of the National Broadcasting Corporation, chairman of the Vunamami Farmers’ Training Centre, Bougainville team manager for the Papua New Guinea Games and coordinator
of children’s health project. Masiu was elected to the National Parliament under People’s Progress Party (PPP) in a July 2016 by-election following the death of MP Steven Pirika Kama. He left the People’s Progress Party and joined the National Alliance Party in January 2017. He was re-elected for a full term at the 2017 election.
After the 2017 election, Hon. Masiu was appointed the Deputy Leader of Opposition and Shadow Minister for Inter-Government Relations and Bougainville Affairs.