Lian Butcher joins the EPA from Greater Wellington Regional Council.
Alice Mew joins Craigs from the NZ Superannuation Fund, where she most recently served as director, external investments and partnerships.
Willie Wiese leaves Alliance after eight years, including almost three years as chief executive.
Appointment comes as the company reports a record first quarter, following its strongest financial year to date, with revenue up 37% to $53.5m
Juliet Peterson will take up the role from September 1.
Dave Clark says: ‘It’s been over 50 years since I began working in design, and it’s been one heck of a blast.’
He starts in the role in February.
He succeeds Thomas Pippos, who has served as chair since 2021.
Miriam Dean will retire this month.
Graeme Henderson has more than 10 years of leadership experience at Eagle Technology.