Born in New South Wales, Australia, Nathan started sailing at the age of five. In 2008 he won his first World Championship title in the 49er class; a success he repeated in 2009, 2011 and 2012. In 2010 he won the International Moth Class Euro Championship and the following year he clinched the International Moth Class World title. He went on to win the World title for a second time earlier in 2014.
Nathan won a gold medal at the London Olympics in the 49er class alongside teammate Iain Jensen. Shortly after his Olympic success he joined Artemis Racing as helmsman for the 34th America’s Cup, aged just 27.