Jeffery Peter Sewell


Barrister – Mediator – Arbitrator

Telephone: 02 8815 9423
Fax: 02 8815 9303

Admitted as Barrister: 1989

Practice areas:

  • Alternative Dispute Resolution
  • Appellate
  • Common Law
  • Insurance Law
  • Motor Vehicle
  • Negligence

Mr Sewell was called to the Bar in 1989. He is admitted as a Barrister of the Supreme Courts of NSW, Queensland and the ACT, as well as the High Court of Australia. He is a member of the NSW Bar Association.

Mr Sewell is an Accredited Mediator and Arbitrator. He is a Fellow of the Chartered Institute of Arbitrators, a Fellow of the Australian Centre for International Commercial Arbitration (ACICA) and a Fellow of the Arbitration and Mediation Institute of New Zealand (in both Arbitration and Mediation).

Mr Sewell is a BarADR Arbitrator with the NSW Bar Association and he has been appointed to the panel of Arbitrators for the District Court of NSW. He also is listed on the panels of Mediators for the Bar Association of NSW, the Supreme Court of NSW and the District Court of NSW.


Mr Sewell is a member of The Australian Chamber of Commerce and through it, the International Chamber of Commerce. During 2018 and 2019, Mr Sewell served as a member of the ICC’s International Taskforce on the “Arbitration of Climate Change Related Disputes”.

During 2019, the Taskforce produced a report on the resolution of climate change disputes through arbitration. Here is a link to that report: Report

Mr Sewell is a member of the Panel of Mediators for ACICA. He also is a member of the Association for International Arbitration. Further, Mr Sewell is a member of the International Mediation Institute and Mediators Beyond Borders.

Mr Sewell is a member of the NSW Bar Association. He also is an international associate member of the American Bar Association and a member of its Dispute Resolution Section and Mediation and Arbitration Committees. He also is a member of the New York Bar Association. Mr Sewell has served on numerous committees, including the NSW Bar Association’s ADR Committee between 2016 and 2018.

Mr Sewell also is a member of each of the Association of Conflict Resolution – New York Chapter and the Asia Pacific Mediation Forum.

In addition to being an accredited mediator and arbitrator, Mr Sewell has had 30 years of experience in appearing as a mediation-advocate and an advocate at arbitrations. TheInternational Mediation Institute (IMI) in The Hague has approved and endorsed Mr Sewell as a duly certified Mediation Advocate; he being the first person in the Southern Hemisphere to achieve that distinguished acknowledgement.

Mr Sewell was a delegate of Mediators Beyond Borders International (MBBI) at the United Nations Conference on Climate Change that was held in Warsaw during November 2013. He also was appointed as a delegate of MBBI to the 2015 UN Conference on Climate Change in Paris. He remains an active member of the MBBI’s Climate Change Project Team. In addition he has attended as a delegate to UNEP‘s International Sustainability Forum.

Mr Sewell also serves as a member of MBBI’s UN Global Compact Committee and as a member of its United Nations Working Group, whose work includes implementation and advice on sustainable development goals, peace-building and reporting on the Commission on the Status of Women, which has included the reading and tabling of Statements in the United Nations between 2016 and 2019 inclusive.

Mr Sewell’s other areas of practice include insurance and catastrophic injuries dispute resolution.

Site Credits
Concept & Design: Sylvia Weimer / Web Development: Jimmyweb