Sir Rabbie served as Prime Minister of Papua New Guinea between 1988 and 1992 and was a former Speaker of the PNG National Parliament between 1994 and 1997. Sir Rabbie first served as Foreign Affairs and Trade Minister from 1982 to 1984 and again as Minister for Foreign Affairs and Immigration from 2002 to 2006, and then Minister for Treasury between 2006 and 2007. Sir Rabbie served as Ministers for Primary Industry 1984 to 1987, Senior Minister for State and Tourism 1998 and Petroleum and Energy 1998 to 1999. Sir Rabbie is Chairman and Non-Executive Director of Kina Asset Management Limited, Non-Executive Director of Yandera Mining Limited, a subsidiary of Era Resources (formerly Marengo Mining) and Non-Executive Director of the Post Courier. Sir Rabbie has been the PNG Patron of YWAM Medical Ships since 2012 and is a Director. Sir Rabbie is a member of the PNG Institute of Directors and Chairman and Patron of several charitable organisations.