 In 1963, Arnold Nordmeyer became the first New Zealand-born Leader of the Labour Party; three previous Leaders had been born in Australia and one each in England and Scotland.The most electorally successful Labour Leader to date is Helen Clark, who won three elections, in 1999, 2002 and 2005.Clark is also the Labour Party's longest-serving leader, having served for 14 years, 346 days between 1993 and 2008.