Mandy Tam has been freelancing since her graduation. She has a Bachelor of Fine Arts degree from the HKAPA, and a Master degree of Intercultural Studies from the Chinese University of Hong Kong. She obtained a Bachelor of Fine Arts degree in set and costume design from the Hong Kong Academy for Performing Arts in 1998 and has since designed for more than sixty theatre productions in Hong Kong, Taiwan, Beijing, Shanghai, Guangzhou, Berlin, Canada, London, Macua, New York and Singapore. Her experience in costume design encompasses Chinese and Western opera, dance, ballet, drama, musical , physical theatre and TV drama production in Mainland China. In 2004 < The Peach Blossom Fan> and 2015 <Hedda Gabler> she won the “Best Costume Award” from the Hong Kong Federation of Drama Societies. During the 2007 Prague Quadrennial, she was part of the team representing Hong Kong with their work Cantonese Opera 'Dream of the West Chamber’.

About self development, In 2008, she went on a one-year study trip to New York funded by a scholarship from the Lee Hysan Foundation Fellowship of the Asian Cultural Council. To learn more about a systematic approach to costume conservation, she took classes at the Fashion Institute of Technology (MA in Fashion Textile Studies: Museum Practice combines the study of costume history , storage and exhibition of textile and costume materials) and fashion cultural research in New York. In 2018 Spring, she went to the costume shop in Suzhou for studying traditional Chinese Opera costume technology.

About her art exhibition and education career, In 2011, At the 8th International Shibori Symposium (ISS), she participated in the exhibition ‘Animal Fibers: Art informs Shibori’ with her work <Journey >. In 2016, she was invited as a guest speaker at the International Textile and Fashion Symposium by Thammasat University of Thailand. She was a part-time lecturer of the Hong Kong Design Institute, Department of Fashion and Image Design from 2009 to 2018. In 2019, she was the artist to create and develop installation and workshop in Japan Setonchi Triennale 2019, at the district of Shodoshima.

She is a freelancer in costume design and art education.