Dr Weiss has extensive global experience across a range of industries, both at executive and board levels.
Dr Weiss is Executive Director of Ariadne Australia Ltd, a diversified investment company with investments in a variety of sectors. He is the Chairman of Ardent Leisure Limited, Cromwell Property Group and Estia Health Limited. He is a Non-Executive Director of Hearts & Minds Investments Limited, Thorney Opportunities Limited, the Victor Chang Cardiac Research Institute and The Centre for Independent Studies.
Dr Weiss was Chairman of Ridley Corporation Limited from June 2010 until August 2020, Clearview Wealth Limited from July 2013 until May 2016 and of Coats plc from 2003 until April 2012 and executive director of Guinness Peat Group plc from 1990 to April 2011. He has also held directorships of numerous companies, including The Straits Trading Co Ltd in Singapore, Premier Investments Limited, Tag Pacific Limited, Westfield Group, Tower Australia Ltd, Australian Wealth Management Limited, Tyndall Australia Ltd (Deputy Chairman), Joe White Maltings Ltd (Chairman), CIC Ltd, Whitlam Turnbull & Co Ltd and Industrial Equity Ltd. Dr Weiss was also a director of Brisbane Broncos Ltd (formerly Pacific Sports Entertainment Ltd), an ASX-listed company which owns the Brisbane Broncos.
Dr Weiss is also a Commissioner of the Australian Rugby League Commission
In 2019, Dr Weiss was awarded the Member (AM) in the General Division of the Order of Australia for significant service to business, and to the community.
Dr Weiss holds an LLB (Hons) and LLM from Victoria University of Wellington and a Doctor of the Science of Law (JSD) from Cornell University. He was admitted as a Barrister and Solicitor of the Supreme Court of New Zealand, a Barrister and Solicitor of the Supreme Court of Victoria and as a Solicitor of the Supreme Court of New South Wales.