Winnie Kiap was appointed High Commissioner of Papua New Guinea to the United Kingdom with accreditation to Cyprus, Egypt, Israel, South Africa and Zimbabwe in 2011. She also represents Papua New Guinea at the Commonwealth Secretariat, Commonwealth Foundation, International Coffee Organisation, International Maritime Organisation and the International Cocoa Organisation.
She is chair of the Commonwealth Secretariat Board of Governors and on the Board of the Eminent Persons Group of the Pacific Leadership Foundation.
She began her career in the Papua New Guinea Department of Trade and Industry, later moving to the position of Director of Corporate Services in the Investment Promotion Authority. In 1998, she became Secretary to the National Executive Council. She was also appointed as temporary head of the Prime Minister’s Department for six months in 2008.
In 2015, she was appointed a Commander of the Order of British Empire for public service.