John Sheahan KC

Silk 1997
Call 1984
Phone +61 2 8239 0211


John practises widely in all aspects of complex commercial disputes - trials, appeals, representative proceedings, regulatory matters, public law issues, commissions of inquiry and domestic and international commercial arbitrations. He has advised and acted for prominent Australian and foreign corporations, and for regulators. Banking and finance and corporate law have been a particular focus of his work.

Apart from his advice and appearance work, John also acts as mediator and arbitrator. He is a current member of the Australian Takeovers Panel, having previously been appointed from 2014 - 2020.

John is a Fellow of the Australian Academy of Law, a founding member of Maxwell 42 Chambers in Singapore and an associate member of South Square Chambers, Grays Inn, London.

A CV is available on request.


The Legal 500 Guide 2023 – Tier 1 Leading Silk in Commercial Disputes, Tier 2 Leading Silk in Competition

Chambers & Partners Asia Pacific Guide 2023 – Star Individual for Dispute Resolution, Band 1 for Insolvency and Restructuring - John Sheahan is often regarded as "in the top handful of barristers in the country" for his work in dispute resolution, and a "top silk for bet-the-company type matters".

Chambers & Partners Asia Pacific Guide – Star Individual for Dispute Resolution, Band 1 Silk for Insolvency and Restructuring - "John is regularly acknowledged as 'one of the best barristers in Australia for high-end, high-risk commercial matters' in general, and also for restructuring and insolvency mandates specifically. Interviewees pay extensive tribute to his 'extraordinarily effective' advocacy, as impressive in the boardroom as in court, with more than one stressing the value of his consistently 'calm and persuasive demeanour.'"

Doyles Guide - Leading Dispute Resolution and Commercial Litigation Senior Counsel

Doyles Guide (Australia wide) – Preeminent Insolvency & Restructuring Senior Counsel

Best Lawyers – Banking and Finance Lawyer of the Year (2019) and ranked for for bet-the-company litigation