Charles read for the Bar Finals while in New College, Oxford University.  He  was Called to the Bar of England and Wales and of Hong Kong.  He passed the Greater Bay Area Legal Professional Examination in Mainland China after obtaining an LL M (Chinese law) from Renmin University under the supervision of Professor Wang Li-ming.   Charles has been regularly instructed as advisory counsel or advocate in civil matters.  He has also delivered legal talks to the Hong Kong Monetary Authority and Government departments from time to time.  Currently Charles is Adjunct Professor of Law at the City University of Hong Kong.

Charles is Chairman of Appeal Tribunal Panel of HKSAR Government, Member of the Hong Kong Bar Association on the Arbitration Committee, Company Law Committee and Sports Law Committee.  He also served as Chairman of the 9th Annual International Arbitration & Corporate Crime Summit.