Immediately before joining Sydney Law School, Simon was a professor of law, and director of law reform and social justice, at the ANU College of Law. He has previously been a lecturer in the University of NSW Law Faculty 1989-1995 where he was director of clinical programs, and a senior lecturer in the Division of Law at Macquarie University from 2005-2007. He has won a number of teaching awards, most recently receiving a Citation for Outstanding Contribution to Student Learning at ANU in 2015.
Simon graduated from UNSW with undergraduate degrees in arts (political science) and law, and a master’s degree in education. After a period in private commercial practice he worked as a poverty lawyer at Redfern Legal Centre in Sydney and co-founded Macarthur Legal Centre. He was principal solicitor and director of Kingsford Legal Centre while director of clinical programs at UNSW. He has practised extensively in poverty law in community legal centres, particularly anti-discrimination law.
Simon has been a board member of Macarthur Legal Centre, Redfern Legal Centre, Redfern Legal Centre Publishing, the Communications Law Centre, the Disability Discrimination Legal Centre, the Intellectual Disability Rights Centre, and Canberra Community Law. He has been Director of the NSW Law and Justice Foundation, President of Australian Lawyers for Human Rights, a Board member of the NSW Legal Aid Commission, a consultant to the NSW Law Reform Commission, a judicial member of the NSW Administrative Decisions Tribunal, Chair of the ACT Law Reform Advisory Council, and legal adviser to the federal Parliamentary Joint Committee on Human Rights. He has trained and advised a wide range of businesses, agencies and NGOs, and has consulted to NGOs on organisational management and strategic planning. He has consulted on and conducted training courses in human rights, legal aid and legal education in Indonesia, Vietnam and China.