Qualifications: B. Business, LLB, Dip Legal Practice
Called to Bar: 2012
Phone: (02) 4032 4516
Email:  sjmcmahon@hunterstreetchambers.com.au
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Simon was a Clerk to a Barrister practicing primarily in personal injury and common law matters whilst studying between 2007 and 2011. After graduating from the University of Newcastle with a Bachelor of Laws and Bachelor of Business in 2011, Simon was called to the bar and commenced practice as a Barrister in Newcastle in 2012.

Simon soon developed and continued a busy and diverse practice in civil litigation, personal injury and common law.

Simon joined Hunter Street Chambers in 2013 and the continued growth of his practice sees him with a particular focus on common law and personal injury. Simon acts on behalf of both plaintiffs and defendants in common law, motor accident, workers’ compensation, work injury damages and professional negligence litigation. Simon also practices in commercial, building and construction and administrative law.

Simon undertook work with the Special Commission of Inquiry in 2013, where he was actively involved, as Junior Counsel, in the Special Commission of Inquiry into matters relating to police investigation of certain child sexual abuse allegations in the Catholic Diocese of Maitland-Newcastle.

Further to this, Simon was briefed in the Royal Commission into Institutional Responses to Child Sexual Abuse in 2015 and 2016.

He is a regular presenter at legal conferences and continuing professional development seminars.

Practice areas

Common Law

  • Motor vehicles
  • Intentional torts
  • Negligence
  • Professional negligence
  • Workers compensation
  • Workplace Accidents


  • Building and construction
  • Competition
  • Consumer protection law
  • Insurance
  • Contractual disputes
  • Partnership disputes
  • Professional liability
  • Real property

Administrative law

  • Merits review
  • Appellate
  • Disciplinary proceedings
  • Judicial review
  • Privacy and freedom of information


  • Commissions and Other Inquiries