Angela Nash and Chris Gudgeon will add depth and further skills to the boards, says chair.
Sarah Gillies has been acting in the role since October.
Westpac has announced the appointment of Kelly Eckhold.
Craig Evans will take on the role from February 1, 2023.
Sarah Miller will cease as a member of the NZ Markets Disciplinary Tribunal for the duration of her NZX future directorship.
Nathalie Benzing was appointed new chair in early November.
She plans to concentrate on changes to local government and city growth challenges.
Stuart Dickinson is the new chief executive of the dual-listed cinema software group.
Chair Peter Coman steps down and new director appointed.