Oliver left the bank just before Christmas, and has been replaced by Amanda Young as head of third party banking.
In an announcement to advisers, Young confirmed the changes to the market.
Young has been in banking for more than 25 years, starting her career with BNZ. She moved to Cigna NZ in 2007, and then to ANZ, before moving to ASB in 2014.
At ASB, Young has held the role of regional manager for the midlands region, including Wellington.
Young recently held the role of general manager for branch banking, and became head of business development and youth in January last year.
Alongside Young, a new broker business development manager joins the big four bank in Auckland.
Anthony Sage, a Canterbury graduate, joined ASB in 2019, and is an accredited mortgage broker.
Young said Sage "is excited to bring his experience as a broker and a banker to this role to deliver great customer outcomes through third party banking".
