Brad Sara will lead the development and application of AI across the practice.
He takes over the general manager role from Jonathan Cron, who founded the company with Penny Cron.
Philip Maw has been a partner of the firm since 2011.
They replace Professor Brett Delahunt and Dr David Ackerley.
Phillippa Wilkie is promoted to special counsel and Jarrod Walker comes back to Chapman Tripp as a partner.
Mark Ryall's appointment is confirmed after acting in the role for three months.
He will be the head of business development for Australia and New Zealand.
Shivani Gounder and Vince Beckett appointed as firm expands its local team.
Arihia Bennett took on the job in August 2012, her third stint working for her iwi over the past three decades.