Peter Tickner is sole director of Peter Tickner Associates Ltd, and has 38 years’ experience as a public sector auditor. In his early career he was an external auditor for the National Health Service in the United Kingdom. From 1988 to 1995 he was head of internal audit at Her Majesty’s Treasury, and was then director of internal audit for the Metropolitan Police (Scotland Yard), London, between 1995 and 2009. He also spent five years as a lecturer in internal audit at the Civil Service College. Tickner is the author of How to be a Successful Frauditor, published by Wiley in 2010.