Angela Nash and Chris Gudgeon will add depth and further skills to the boards, says chair.
Mark Baker-Jones has most recently been adviser to Climate Change Minister James Shaw.
Hamish Stevens is a very experienced director.
The Kiwi will return to Christchurch.
Leanne Buer has replaced Dave Wilson as country manager for Cisco Systems New Zealand from July 9 2019.
The role will will unify marketing, sales and business development teams.
Torpedo7 brand transformation to include bike, snow, water, camping and apparel.
Other appointments include 11 senior associates and 12 associates.
Caroline Overstone brings more than 20 years of comprehensive expertise to the role.
Matthew Frost will be the new head of risk advisory.