Some aspects of second-language phonology: The characterization of interlanguage grammars. August 21st, 2015, Phonology Forum 19, Osaka, Japan.
Covert contrasts in the acquisition of some English vowel phonemes by native speakers of Korean, Portuguese and Spanish. August 19th-21st, 2015, Phonology Forum 19, Osaka, Japan.
Second-language Phonology, Bilingualism and Speech Sound Disorders. November 13, 2015, American Speech-Language Hearing Association, Denver, Colorado.