Joan Withers. (Image: Supplied)Joan Withers will retire from the ANZ Bank New Zealand board from July 1 after 13 years as an independent non-executive director.Withers joined the board on July 1, 2013 and has chaired the Human Resources Committee since Oct 1, 2016. Withers “provided pivotal input to the Board, bringing robust governance, strategic foresight, financial acumen and a high level of integrity to her role as a director”, Scott St John, ANZ NZ chair, said.The bank also said Craig Sims would be joining its Board as an independent non-executive direc...