Tan Hui Sean earned her Advanced Certificate from the Shanghai Conservatory of Music, Bachelor degree from University of Maryland and Master degree from New York University. During her study abroad, she was a recipient of Eltermann Scholarship, Moses Asch Memorial Scholarship, Graduate Assistantship and Langley Fellowship. She performed regularly with the university's Symphony Orchestra, UMBC Camerata, UMBC Collegium Musicum, NYU Collegium Musicum and La Salle Baroque Players (Singapore). In addition, she has worked extensively with vocalist in opera workshops, masterclasses and various competitions. Since returning to Malaysia, she has been active in teaching. Her students have claimed prizes in both local and international piano competitions. Formerly, Hui Sean is the Head of Music Programme at the Cultural Centre University of Malaya. Currently, she teaches piano majors and lecture music history at UCSI University.