Ambassador of New Zealand to the United States, 2016-18;Trade minister & climate change minister of New Zealand, 2008-15;Ambassador of New Zealand to the WTO and chair WTO agriculture negotiations, 2002-2005;CEO Asia-new Zealand Foundation, 1999-2002Principal economic adviser to the Ministry Foreign Affairs & Trade of New Zealand 1997-1999Ambassador of New Zealand to Indonesia 1994-97Chief New Zealand negotiator, Uruguay round, Geneva 1985-2003