Cynthia has been regularly active in her church activities throughout the past years, such as teaching bible studies to young children and women, as well as leading religious fellowship group in a local church.

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Cynthia is currently a Member, Appeal Board on Public Meetings and Processions.

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Cynthia is served as a Duty Lawyer, Free Legal Referral & Advice Scheme on HKU Campus run by the University of Hong Kong.

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Cynthia is a mentor at the University of Hong Kong, Faculty of Law since November 2020.