James Rutter has been with the company for 16 years, joining as an engineer in 2010.
Judith Bullin, Joseph Morris, and Alex Summerlee have all been appointed.
Chris White confirmed as permanent CEO.
Treena Rowley and Megan Hodgson take on leadership roles.
Vittoria Shortt and Dan Huggins appointed to the roles.
Nicole Buisson was appointed and two members leave.
Associates Leesa Speed and Georgina Smith promoted.
Ports of Auckland sustainability GM Rosie Mercer joins Northland company.
Brent Kleiss promoted to the role.
Chair of OzTam Mark Buckman joins board.