Ronald Sum is a Partner at Addleshaw Goddard (Hong Kong) LLP. He concentrates his practice in all areas of dispute resolution, specializing in China related matters, cross border disputes, complex commercial disputes, regulatory bodies investigations, transportation, international trade, insurance and reinsurance, product liability and product recall, including arbitration, litigation, mediation and investigations.

Ronald is qualified as a solicitor in Hong Kong, England and Wales and Australia. He is a fellow member of the Hong Kong Institute of Arbitrators and the fellow member of the Chartered Institute of Arbitrators. He is the immediate past chairman of the International Chamber of Commerce:  Arbitration and ADR Sub-Committee. He is also the council member of the Hong Kong International Arbitration Centre. He is on the panel of arbitrators of various institutions and has acted both as counsel and arbitrator in administered arbitration proceedings including the ICC, HKIAC, CIETAC, SCIA, SIAC, THAC, LMAA, GAFTA/FOSFA etc. Ronald has conducted arbitration in Hong Kong, China, London, United States, Australia and Singapore. Ronald is also an accredited mediator of HKMAAL, CIETAC and the Law Society of Hong Kong. Ronald has recently be appointed as an Investor State Mediator under the Mainland and Hong ‎Kong Closer Economic Partnership Arrangement (CEPA). Ronald is on the Hong Kong ‎Government Advisory Committee on the Promotion of Arbitration and the Hong Kong Steering ‎Committee on Mediation.  ‎

Ronald's experience on dispute resolution includes complex commercial litigation, export credit insurance and letters of credit disputes, shareholders and minority shareholders disputes, charter party disputes, defending and pursuing cargo claims, acting for and against logistics companies and liability insurers in various types of claims regarding policy liability, representing shipowners and P&I Clubs in collision cases and representing banks and trading companies and shipowners on various forms of trading disputes, defamation involving cross border jurisdictions.