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, Petroleum and Energy.
Sir Moi is chair of OK Tedi Mining, Pacific International Hospital and PNG Water. He is also a director of LABA (SPI) Logistics and SPI Joint Venture, and chair of other landowner companies.