He received Ph.D. In 1990 from Stanford University and is currently Professor of Linguistics at Pukyong National University in Busan, South Korea.
Before coming to Korea in 2006, he was Reader (Professor) in Linguistics at the University of Newcastle upon Tyne. Over the past 20 years, he has also taught at Stanford University, the University of Maryland, the University of Ottawa, and the University of Hong Kong.
He is the author or co-author of eight books on various aspects of linguistics, as well as numerous articles, primarily in the areas of phonetics, phonology and morphology. His most recent books include Linguistic Theory and Complex Words (Palgrave, 2004), Morphology, 2nd ed. (Palgrave, 2006, with Francis Katamba), and Introduction to
Phonology (Hankuk Munhwasa, 2009).