Supakorn Phoocharoensil obtained his B.A. (Hon.) and English from the Faculty of Arts, Chulalongkorn University. He also holds his Ph. D. in English as an International Language (EIL), Chulalongkorn University. He is currently an English lecturer at Thammasat University Language Institute. His areas of interest concern second language acquisition, English phonology, and English lexicology.