He then joined Team New Zealand and was part of the crew on "NZL 32" that won the 1995 America's Cup. He was then part of their 2003 America's Cup defence before joining "oneWorld Challenge" for the 2003 Louis Vuitton Cup. Mason is a boatbuilder and was also involved in the construction of "NZL 32", "NZL 38", "NZL 57" and "NZL 60".