The Reserve Bank's assistant governor, Juliet Tainui-Hernandez, told a parliamentary committee earlier that the central bank had "absolutely not" lost so many senior staff.
Governor Adrian Orr didn't deny suggestions he would have preferred the news of more departures to have been delayed until after his appearance before a parliamentary committee.
A restructuring of the senior leadership team is the explanation given for the latest rash of departures.
The advisor was already suspected of misconduct when his transitional license was issued.
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