Helen Skinner, Catherine Emerson, Andy Havill are taking up new roles in March and Jennifer Page will join the board in April.
Stuart Duncan will be group chief executive and Jason Barrow the Hallenstein Brothers chief executive.
Rachel Taulelei starts immediately, but will stand for election by shareholders at the AGM in November.
Alex Fala will take over from acting CEO and chair Al Monro from March 1.
Mary Alice Simon brings extensive experience in the pharmaceuticals industry to the role of COO.
Paul Brennan and Linda Braendler will both be working from the Auckland office.
Network for Learning has appointed Michelle Leadsom to the newly created role.
Spark has announced it has appointed Heather Graham to start on March 31.
David Rankin has worked in local government in Auckland since 1984.
Investment bank has appointed experienced corporate adviser John Moore.
