Acting for both plaintiffs and defendants, Simon is briefed in medical negligence matters involving doctors, dentists, hospitals and other health professionals. His insurance practice encompasses general insurance, life insurance and professional indemnity insurance.

More generally, Simon has practised as a barrister in the areas of commercial law, trade practices, engineering and construction law, corporations law, equity, planning and environmental law, administrative law, maritime law, industrial law, criminal law, personal injury and workers and victims compensation.

With significant experience appearing in all courts and many tribunals in New South Wales, Simon has also appeared in the High Court of Australia, the Federal Court of Australia, and the Supreme Court of the ACT.

Simon has appeared in numerous arbitration hearings and before court-appointed referees. He has, on occasions, been appointed by the Supreme Court of New South Wales as an examiner to take evidence on commission and has also appeared at inquests and inquiries.

Simon is an accredited mediator, arbitrator and expert determiner. He also acts as a facilitator in joint conferences of experts. In addition to representing clients in mediations, Simon has a significant mediation practice, having conducted in excess of 1000 mediations.