Briefs: Westpac NZ appoints CIO 18 February 2015 4:59PM Banking Day staff Briefs, Westpac New Zealand has appointed Dawie Olivier as its chief information officer, replacing acting CIO Jason Millett. Olivier will join the bank in mid-April, moving from South African Standard Bank where he oversaw the technology build function. Global custodian BNP Paribas Securities Services has appointed David Braga as head of its Australia and New Zealand business. Braga is moving from JP Morgan Chase, where he was head of product for custody and fund services. He is also chairman of the Australian Custodial Services Association.