Mr. Sy is a Certified Gemmolgoist in Hong Kong and fellow member of Gemmological Association of Great Britain (one of the most reputable Gemmological Association) and was also a registered tutor for gemmology diploma courses.  He possess numerous experiences in color gems, particularly Tourmaline, Aquamarine and Fei Cui.  He has been teaching Gemmology courses including diploma and Fei Cui courses for years.  He is also the consultant for a Germany 3 generations lapidary company.

In addition to his gemologist experiences, Mr. Sy is also a project leader and corporate consultant.  He is a business consultant in a consulting company and possesses experiences in broad range of business projects in which he is engaged in various business consulting exercises; such as internal control support, business planning, commercial feasibility study, business valuation, in house training and etc.  He has served or worked on many esteemed clients both listed and non-listed with leading position in their respective industry.