Career
He is a former Mayor of Mountain Roskill Borough Council, and a former Auckland Regional Council politician (2004–2007). Hay is the son of Keith Hay, a former Mayor of Mountain Roskill Borough Council, and is a director of the company founded by his father, Keith Hay Homes, a prominent New Zealand small home construction company. Hay is known for the advocacy of Christian conservative values, and has been opposed to controversial events in Auckland City politics such as council funding for the Hero Parade (a homosexual pride celebration) in the mid 1990s.