George Efstathakis

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+61 2 9462 5131 direct

Previous Experience

  • Senior Manager, Ernst & Young
  • Head of Operational Risk Analytics, Australian Prudential Regulation Authority 
  • Risk Models Specialist, APRA
  • Senior Analyst, Balance Sheet & Market Risk, APRA

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George Efstathakis


George assists clients in understanding and interpreting regulatory capital requirements and expectations of the Australian Prudential Regulation Authority, particularly in relation to market risk and operational risk. George also assists clients in developing compliance frameworks.


George joined Promontory from Ernst and Young’s regulatory practice. Prior to Ernst & Young, George spent eight years with the Australian Prudential Regulation Authority, where he held a variety of senior positions. At the authority, George was responsible for leading the assessment team for quantitative operational-risk models implemented by deposit-taking institutions under the Basel II framework. He also held senior roles in APRA’s on-site review and analysis area, focusing on market-risk and trading-risk models.


  • Graduate diploma, applied finance and investment, Financial Services Institute of Australasia
  • B.Com., finance, University of New South Wales
  • B.S., mathematics, University of New South Wales

Affiliations, Awards, and Civic Engagements

Representative Engagements

  • Worked with a major Australian bank to develop an enhanced compliance risk management program.
  • Assisted clients with strategy in relation to on-site regulatory reviews.

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