John is a Barrister and Solicitor of the Supreme Court of Western Australia, a Solicitor of the Supreme Court of New South Wales, a Barrister and Solicitor of the Supreme Court of the Australian Capital Territory, and on the Roll of Legal Practitioners for the High Court of Australia. John has been admitted to practice for over 40 years, and has worked in the law for over 46 years.
John has practised in New South Wales, in the Australian Capital Territory and in Western Australia. He has been a partner in a national legal firm and has twice established his own practice. John is currently the principal of the legal firm known as "Butlers" which is based in Nedlands, Western Australia. Much of John's practice over the last 46 years has been in the areas of Business and Estate Planning, Wills & Estates, and Family Law.
John served with the Australian Army Reserve for 13 years, is a Commissioned Officer, and is presently on the Reserve of Officers. He has served in various capacities on the governing bodies and committees of a number of independent and government schools over the last 37 years.