Kane Patena will replace Keith Manch on September 1.
Richard Wyeth takes over from interim CEO Shiqing Jian.
Cameron George will remain as chair until the 2021 AGM
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.