Soohee Kim has a PhD in Linguistics from the University of Washington. Her professional interests include the historical development of the Korean language and lexicon, the role of grammatical knowledge in language learning, and teaching beginning and heritage learners. She is the primary author of the four-volume college-level Korean textbook series You Speak Korean! Emily Curtis holds doctorates in Linguistics (PhD) and Education (EdD) from the University of Washington. Her research interests are in phonetics, phonology, and general linguistics and defining how metalinguistic knowledge benefits learners. She teaches various linguistics courses and has made contributions to the fields of Korean language pedagogy, morphological awareness and cross-cultural communication. She is a co-author of You Speak Korean! Haewon Cho has taught Korean language courses for the past 15 years at the University of Washington, the University of Michigan and the University of Pennsylvania. She holds M.A. degrees in Linguistics and ESL from the University of Washington. She is a co-author of You Speak Korean! and her interests include language assessment, curriculum development and teaching with technology as well as the teaching of business language.