Rob McDonald will take over as chair from September 1.
Tony Giles was formerly the New Zealand Dairy Goat Co-operative chief executive.
Robert Fensham, Umesh Kumar, and Pieter Schoonrad will be led by Jason Molloy.
Kate Wareham joined the WSNZ board in late 2017.
Supply chain expert Mike DeDera joins JLL from DHL.
Peter Jessup will step up into the role as an independent director.
Bronwyn Presland replaces Philip Aldridge and will take up the position on December 13.
Katie Beith joins Forsyth Barr from the NZ Super Fund.
Kathryn Haworth is the new chief strategy, governance and public affairs officer.
Tony Sewell will step into the role of chair effective from December 1.