ADR Institute of Ontario (ADRIO);ADR Institute of Canada (ADRIC);Toronto Commercial Arbitration Society (TCAS)Ontario Association for Family Mediation (OAFM);Immigration Consultant of Canada Regulatory Council (ICCRC);All Canada Association of Chinese Immigration Consultants (ACACIC), ChairEuropean Association of Tax Law Professors (EATLP), past member;All-China Lawyers Association, past member;China Tax Law Education Society, past director;China Consumer Protection Law Society, past director;