Mr Hamilton is a business leader and director, and has chaired audit and risk committees. He is currently a director of Westpac New Zealand, Oceania Healthcare, Tourism Holdings, and Cyprus Enterprises. He has over 30 years' experience in finance and capital markets, including roles as Managing Director and Head of Investment Banking at Jarden, and Chief Financial Officer for SkyCity Entertainment Group. His experience also includes advising several major New Zealand energy companies. He is also member of Financial Risk Committee.