Alvin Sin


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Alvin Sin is a counsel in O’Melveny’s Hong Kong office and a member of the International Disputes and Arbitration, Financial Services, White Collar Defense, and Corporate Investigations Practice Groups.

Prior to joining O’Melveny, Alvin worked for a well-known international law firm in its Hong Kong office, and was also seconded to its Brisbane office.


  • Cantonese
  • Mandarin


  • Hong Kong


  • University of Cambridge, MA (Cantab) in Law
  • Imperial College London, MEng in Chemical Engineering, Associateship of the City and Guilds of London Institute (ACGI)

Professional Activities


  • Law Society of Hong Kong
  • The Chartered Institute of Arbitrators (CIArb)

Associate Member

  • The Institution of Chemical Engineers (IChemE)

Author (Contributing)

  • The White Book: Hong Kong Civil Procedure
  • Defending a major contractor in disputes and regulatory investigations arising from a multi-billion dollar rail project
  • Representing a number of Hong Kong-listed companies and their directors in investigations by the Securities and Futures Commission and the Stock Exchange of Hong Kong
  • Representing a multinational technology and consumer electronics manufacturing company in regulatory enquiries 
  • Advising a major investment bank on an internal investigation of a US$75 million investment 
  • Advising a major precious metals supplier on anti-money laundering matters
  • Advising an international clothing company on corruption investigations