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Who We Are

Greg Rimmer-Hollyman


Greg has over 20 years’ experience in developing, implementing, transforming, and leading internal audit and risk functions which provided governance and integrity advice for large organisations in various sectors in Australia and South Africa. His experience incorporates extensive knowledge of the disability sector through his involvement with the NDIA.

Greg has worked with numerous boards both in the public and private sector. He has been on the Onemda Board and a member of our Finance-Subcommittee since 2020 and in 2021 he became Onemda's Treasurer.

Greg has multiple professional qualifications including, Chartered Public Finance Accountant (CPFA), Graduate of the Australian Institute of Company Directors (GAICD), Chartered Internal Auditor (CMIIA) and Qualification in Internal Audit Leadership (QIAL).