ChristchurchNZ says the appointments will drive strategic investment and sector productivity, ahead of a bumper major events calendar.
Lisa Nelson is currently based in the United States.
Sam McIvor takes up the role in August.
Mat Mullany joins the Taiwhenua from the Office of the Auditor-General where he delivered the first Te Ao Māori Strategy and established a roopu of Māori leaders to advise the Auditor-General.
Former NZ Super Fund boss appointed to Jarden/JBWere wealth management tie-up.
Millward was credited for helping to steady the business after successive resignations and board ructions.
Mark Loveard joins the board of the diversified company.
Helen Mexted has been appointed.
Bastian von Streit re-joins the horticulture company from its parent entity.
Gaming industry veteran Jason Walbridge is due to start in July.