Sir Moi is a senior statesman of Papua New Guinea and former parliamentarian. He was Deputy Prime Minister from 2004 to 2006 and held ministerial portfolios including Higher Education, National Planning, Bougainville Affairs and Petroleum and Energy. Sir Moi is the Chairman OK Tedi Mining, Pacific International Hospital and PNG Water Limited. He is also a Director of LABA (SPI) Logistics Limited and SPI Joint Venture Limited. He is Chairman of several landowner companies.