+61 2 9132 5700 clerk@153phillip.com.au
David Helvadjian

David Helvadjian accepts briefs in all areas of law. Given his many years working in strategy and management consultancy, David has a unique ability to marry his legal expertise and his strategy expertise to advise on the best possible outcomes for clients.

David began his career in regulatory compliance in Banking, covering white collar crime, misleading and deceptive conduct and various other banking and finance issues. David also spent approximately 15 years in strategy, management consultancy and other Banking roles. He is published in business publications, has spoken at many conferences and has extensive knowledge and experience in commercial matters.

Immediately prior to the Bar David was the Associate to the Hon. Justice Rares of the Federal Court of Australia, where he gained experience across the full spectrum of Federal Court matters, including Constitutional Law, Migration Law, Administrative Law, Defamation, Consumer Law, Admiralty and Maritime, Commercial Law and Native Title.

Before that, David was at the National Justice Project, where he worked on various Torts, Discrimination, Refugee and Administrative law matters and also at Ashurst where he spent time in Disputes and Competition.

David has a Bachelor’s Degree with Honours in Economics and Politics from the University of Sheffield in England and a Master’s in International Business with Commercial Law (with Merit) and a Juris Doctor, both from the University of Sydney.

David graduated second in his Juris Doctor, was cited on the Dean’s List for Academic Excellence and finished with an average mark of 81%. He particularly excelled in Private International Law (Conflict of Laws), Administrative Law, Torts, Contracts, Corporations Law, Constitutional Law, Public Law, Anti-Discrimination Law and Media Law (Defamation).

Selected Business Conferences

“The Follower in the Leadership Equation: Looking at The Four Needs of Followers”
Manager to Leader Conference, Australia, Sydney, 20 June 2013

“Exploring the link between Customer Engagement and Employee Engagement” (Keynote), and
“Creating a metric for managing the employee-customer encounter” (Closing session)
Strategic Engagement conference, Melbourne 15 May 2012; Sydney, 17 May 2012

“More science than art: Attracting and selecting the right talent for your organisation”
AHRI (Australian Human Resources Institute) 2011 National Conference, Sydney, Australia, 7-8 June 2011

“The Science of Wellbeing”
AHRI Victorian Practice Day, Melbourne, Australia, 25th March 2011


“Defamation Law and the new serious harm test”

Law Society Journal, Issue 81, September 2021, p80-81.

From 1 July 2021 NSW defamation law has a new ‘serious harm’ test.  This test prevents a claimant bringing any new defamation action unless it passes this threshold test.  This article reviews the judicial treatment of the same identically worded serious harm test in the UK. 


“Is Your Bank Different? Probably Not.”
Gallup Press White Paper, June 2012; Authors: Jai Gill and David Helvadjian
Looking at the power of behaviours, not slogans, to differentiate Banks, based on global banking research.

“Executives: You’re Leaving Money on the Table.”
Gallup Business Journal, August 2012 issue; Authors: David Helvadjian and Allan Watkinson
Quantifies the financial power of emotional engagement over rational satisfaction


University of Sydney Law School 

Juris Doctor (Dist.)

University of Sydney Business School
Master of International Business with Commercial Law (with Merit)

University of Sheffield, England
Bachelors’ Degree in Economics and Politics (Hons)