Hiddleston is leaving ANZ at the end of March after five years on the bank’s senior leadership team. He has spent 15 years at the lender.
Ms Mapu has held the role of ANZ NZ’s general manager for business since September 2020, and was previously general manager for commercial and agri business.
ANZ NZ chief executive Antonia Watson said:
“Mark has been an outstanding executive and overseen the transformation of the commercial and agri businesses at ANZ NZ. Our strategy has been to help New Zealanders into homes and to start and grow their businesses and Mark has played a major role in that."
Watson added: “Lorraine is highly regarded by her customers and the staff she works with and will bring detailed understanding of the business and agri sectors as well as big picture leadership skills to the top table.”