Mark Dempsey SC

Mark Dempsey SCMark Dempsey SC

Mark practices as senior counsel, arbitrator, and mediator.

Mark is one of Australia’s leading commercial barristers specialising in major construction, engineering and infrastructure disputes throughout Australia and the Asia Pacific. He has chambers in Sydney, Darwin and Singapore.

He has extensive experience in advising and appearing across a broad range of complex commercial and financial disputes in arbitration and at trial and appellate level. Mark has acted for and against governments, and major power, infrastructure and mining contractors. He has acted for against banks and financial institutions, and has advised major cultural, sporting and charitable institutions.

Mark is "Highly respected and experienced barrister who has a fine brain. Collaborative and hard-working with exceptional analytical and advocacy skills" (Legal500 2023).

Mark “is regularly acknowledged by sources to be one of the most experienced and accomplished senior counsel practising in the construction space. Commentators testify extensively to his impressive track record of success and ability to master the most complex cases. Fully conversant with arbitration and mediation procedures as well as with those of the courtroom, his practice encompasses matters across Australia as well as the Asia-Pacific region more broadly" (Chambers Asia Pacific 2023 and Global 2023 - Construction & Infrastructure: The Bar – Band 1 – 9 years ranked).

Mark was awarded fellowship of the Chartered Institute of Arbitrators (FCIArb) through the Singapore branch in 2012. He is a Director, Fellow and panel arbitrator of the Australian Centre for International Commercial Arbitration (ACICA) and a panel arbitrator and mediator of the Asian International Arbitration Centre (AIAC), a Fellow of the Asian Institute for Alternate Dispute Resolution (AIADR), and a panel arbitrator appointed by both Commonwealth (NBN disputes) and NSW agencies (Mining Access Arbitrations). He is a member of the Resolution Institute’s panel of Expert Determiners.

He has been an accredited mediator for over 11 years and regularly mediates construction and other commercial disputes.

Mark is the Chair of the Australian Bar Association’s International Committee, and Co-Chair of the NSW Bar Association’s International Committee.

Recent Cases

Admissions and Appointments
  • Appointed Senior Counsel: 2004
  • Admitted to the Bar: 1988
  • FCIArb, ACICA, AIACL: 2012
  • LLB (Hons) ANU: 1982
  • BA ANU: 1980
Practice Areas
Bankruptcy & Insolvency
Building & Construction
Commercial Law
Competition & Consumer Law
Corporations Law
Equity & Trusts
Insurance & Re-Insurance
Professional Indemnity