0262632111 Sections Consumer Data BranchCorporations BranchPayments, Scams and Innovation Branch Key People A/g First Assistant Secretary Mr. Tony McDonald (02) 6263 4387 tony.mcdonald@treasury.gov.au Executive Officer Ms Holly Nieuwenhuize holly.nieuwenhuize@treasury.gov.au Canberra Phone 0262632111 Executive Assistant Ms Hayley Simpson hayley.simpson@treasury.gov.au Canberra Phone 02 6263 3873 Last updated: 24 July 2025