Mei Sing began dancing under the tutelage of Goh Soo Khim, Carol Ainsworth and Anthony Then at the Singapore Ballet Academy (SBA). In 1992, she was awarded the Shell Centenary Scholarship for the Arts for her studies at the prestigious Australian Ballet School.
As a professional dancer, Mei Sing has performed and toured extensively with the Singapore Dance Theatre (SDT). She has taken on roles including Clara in 'The Nutcracker’, one of the step-sisters in Cinderella and Pigtails in the Graduation Ball. She has also performed featured roles in works by Jiri Kylian, Val Caniparoli , Goh Choo San, Jean Paul Comelin and Thierry Malandains among others. She was Rehearsal Assistant for several of SDT's Classical productions. In 2003, Mei Sing hosted the Arts Central dance series ‘Go Tutu Go'. She recently hosted the Esplanade’s Da:ns Festival’s dialogue session with prima ballerinas Julie Kent and Bridgette Zehr.
Mei Sing is a registered teacher with the Royal Academy of Dance and teaches at the Singapore Ballet Academy. Several of her dance students have chosen to pursue dance at a professional level. They are currently studying in reputable institutions such as The English National Ballet School, The Royal New Zealand Ballet School, The Ailey School (Alvin Ailey), The Boston Conservatory, Rambert School of Ballet and Contemporary Dance and The London Contemporary Dance School, to name a few.
She has lectured part-time at the Nanyang Academy of Fine Arts (NAFA). Mei Sing has been invited to be the external assessor for both the Dance Faculties of NAFA and LaSalle College of the Arts. In 2007, she was also appointed as external assessor for Dance for the National Arts Council.