Previously, St John was a member of the Capital Markets Development Taskforce, the Financial Markets Authority Establishment Board and the Security Industry Association, which he chaired.
St John will join ANZ NZ chair Sir John Key, Alison Gerry, Mark Verbiest, Joan Withers, ANZ Group chief executive Shayne Elliott, ANZ Group executive digital and Australia transformation Maile Carnegie, and ANZ NZ chief executive Antonia Watson on the board.