Jen Crawford is a professional director with governance experience across infrastructure, environmental management, and regional development.
Dr Wayne Beilby is based in Tauranga.
In addition to the 11 partner appointments, 18 directors have also recently been announced.
Rick Cranswick and Professor Hugh Blair join Andrew MacPherson and Warren Parker on the board.
Cameron Henderson begins in March, while Carlos Delos Santos will join the board from December.
Mike Lowe, Jodi Newth, Leon Bowker, Sarah McGrath, and Nick Moss have been promoted from within the firm.
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.