Leila Muzlifah Abdul Karim obtained her Bachelor of Education (TESL) with Honors from University of Malaya in 1995. She has since been working at various tertiary institutions, private colleges and language centres such UiTM, UNiSEL, UNITEN, USIM, ASWARA, Matriculation Centre of IIUM, HELP and Al Ikhlas Cambridge Language Centre. Since 2005 she has been conducting English courses for Tabika Perpaduan and Tabika KEMAS teachers & POLITEKNIK lecturers. In the corporate sector she has conducted language trainings for companies such as Permodalan Nasional Berhad, Celcom, Maju Holdings and Nikko Hotel. She also trains Business English in the GEMS program.