Skip to main content

Anti-Corruption Regimes and Enforcement in Asia Pacific

Speaker(s): Mark Johnson, Ralph Sellar
Recorded on: Feb. 25, 2016
PLI Program #: 173547

Mark Johnson is a partner in the firm’s Hong Kong office and a member of the International Dispute Resolution Group. His practice focuses on white collar/regulatory defense matters as well as commercial litigation in Hong Kong and across Asia.

Mr. Johnson joined Debevoise in March 2015. Prior to joining the firm, Mr. Johnson was a partner at a leading international firm in Hong Kong, where he oversaw the opening of the firm’s disputes practices in Singapore, Jakarta, Bangkok, Beijing, Seoul, Shanghai and Tokyo.

For more than 25 years in the region, Mr. Johnson has built a successful practice advising on shareholders’ and directors’ disputes, internal and regulatory investigations, commercial litigation and inquiries from a range of regulatory bodies, both in Asia and elsewhere. These include matters involving the Hong Kong Securities and Futures Commission, the Hong Kong Monetary Authority, the Hong Kong Stock Exchange and the Independent Commission Against Corruption. Much of his work is in the financial services and private wealth sectors.

Mr. Johnson has become one of the Asia’s most respected and experienced litigators. Both Chambers and The Legal 500 list Mr. Johnson as a top-tier advisor for dispute resolution in China and Hong Kong respectively. Legal 500 Asia Pacific also ranks Mr Johnson as a leading individual for regulatory work in Hong Kong. Chambers Global states that he “continues to be a leading name in commercial litigation and contentious regulatory work in Hong Kong and the wider region,” while Legal 500 Asia Pacific labels him an “Asia disputes doyen.”

Mr. Johnson's recent publications include “Singapore’s Chief Justice Clarifies Sentencing Guidelines For Private Sector Bribery,” Global Investigations Review (May, 2015).

Mr. Johnson holds a law degree from Bristol University. He is admitted to practice as a solicitor in Hong Kong and England & Wales.


  • University of Bristol, 1983, Bachelor of Laws

Bar Admissions

  • Solicitor, England & Wales
  • Hong Kong



Ralph Sellar is an associate in the firm’s International Dispute Resolution Group based in the Hong Kong office. Mr. Sellar is a commercial litigator with extensive experience in a range of banking disputes, including disputes relating to investment banking, OTC derivatives and structured products. Mr Sellar also has experience of a number of high profile regulatory investigations.

Mr. Sellar joined Debevoise in the London office in 2014, prior to which he was an associate at the London offices of a leading global law firm. In October 2015, Mr Sellar transferred to the firm’s Hong Kong office to become a member of the contentious financial services practice.

Mr. Sellar is a Registered Foreign Lawyer in Hong Kong and he is solicitor advocate of the Senior Courts of England and Wales. He graduated from University College London in 2006 with a first class degree in Modern History. Mr. Sellar has written numerous articles on banking and insolvency law issues. Recent publications include “U.K. Court Of Appeal Decides On “Commercial Reasonableness” In The Context Of Determinations Made By Parties To Financial Instruments”, The Banking Law Journal (July/August 2014).

Recent reported cases:

Basma Al Sulaiman v (i) Credit Suisse Securities (Europe) Limited; and (ii) Plurimi Capital LLP [2013] EWHC 400 (Comm)


  • BPP Law School, 2008, L.P.C.
  • BPP Law School, 2007, GDL
  • University College London, 2006, B.A. (Hons)

Bar Admissions

  • Solicitor, England & Wales