Yuan-Yuan Meng has been teaching Mandarin Chinese at Columbia University since 1993. She has taught classes from elementary to advanced levels, including Readings in Modern Chinese, Media Chinese, and a winter Business Chinese workshop for Columbia’s Center for International Business Education and Research. Her academic interests encompass a range of topics in Chinese syntax, lexicology, and language pedagogy. She is a co-author of “David and Helen in China,” an intermediate Chinese text. Her most recent work is a dictionary project tailored for advanced Chinese learners. She is also a certified tester of the Chinese Oral Proficiency Interview with the American Council on the Teaching of Foreign Languages.