Nathan was raised in Wekaweka, and subsequently moved to Wellington with his family in 1955.
He completed a Diploma of Textile Design at Wellington Polytechnic School of Design in 1968–70.In 1986, along with Baye Riddell, he founded Nga Kaihanga Uku, the national Maori clayworkers' organisation in Aotearoa New Zealand.
In 1989, he travelled to the United States on a Fulbright grant to visit First Nations Native American potters.
A reciprocal visit took place in 1991 and he continued to foster links to indigenous peoples with a clay tradition in the Pacific and in North America.
He was a foundation member of Te Atinga, the Visual Arts committee of Toi Maori Aotearoa.Nathan exhibited widely around the world and was actively engaged with cultural exchanges with indigenous peoples of Japan, Australia, the Pacific, the United States and Canada.
He was awarded many honours during his career.
He was inducted into the College of Creative Arts Toi Rauwharangi (Massey University) Hall of Fame in 2010, along with textile designer Avis Higgs.