Fannie was formerly the Vice President of Human Resources (Asia Pacific) of a multinational computer software company. In 2008, she started a voluntary full-time position serving as the Director of Human Resources and Fundraising. From 2016 to 2018, she was the Senior Consultant/Director of the China Institute of Our Hong Kong Foundation.
Under the influence of her mother, as a child she became a Cantonese opera lover. She joined the Cantonese opera singing program taught by Master Lau Wing-Chuen at the Open University of HK in 2008. Lately she has also joined the singing and music theory class taught by Master Wong Sing-Kwan. Over the years, Fannie has sung in and served as a voluntary program coordinator of several benefit concerts.