President, Chinese Language Teachers' Association of California, 2003-06.
Director, Board of Directors, Inter-University Program for Chinese Language Studies, Berkeley, 2002-present.
Executive Secretary, International Association of Chinese Linguistics. Editor, Newsletter of the International Association of Chinese Linguistics, 1996-2000.
Invited speaker, gave a lecture on the two conditions and grammaticalization of the Chinese locative, Zhejiang University, September 2006.
Taught a course on the history of Chinese for the 2006 Summer Linguistic Institute, Nankai University, Tianjin, July 2006.
Invited to presented a paper on cause and effect and the Ba construction, Conference on Modern Chinese linguistics, Beijing University of Language and Culture, June 2006.
Keynote speaker, grammaticalization of the Chinese locative, the 18th North American Conference on Chinese Linguistics, Western Washington University, June 2006.
Invited to resent a paper on the history of the Chinese locative, Conference on comparative linguistic studies in honor of Professor Fang-Kuai Lee, Academia Sinica, Taiwan, May 2006.
Invited speaker on Effective use of technology in everyday instruction to the Fourth Conference on Technology and Chinese Language Teaching, University of Southern California, May, 2006.
Invited to present a paper on Specificity and Chinese Spatial Terms, Conference on Space and Chinese, University of Melbourne, December 2005.
Discussant, panel on speech act verbs and teaching materials developments. ACTFL conference in Baltimore, November 2005
Invited speaker to the 2005 International Conference on Classical Chinese Grammar and the History of Chinese, gave a paper on Cause and effect: the making of the Ba Construction. Columbia University, New York.
Invited speaker, gave a lecture on The Ba Construction in Early Modern Chinese. Department of Linguistics, Chinese University of Hong Kong, September, 2005.
Invited speaker, gave a lecture on The Ba Construction in Early Modern Chinese. Institute of Linguistics, China Academy of Social Sciences, Beijing, September, 2005.
Participated the 2005 First World Chinese Conference, Beijing, July 2005.
Keynote speaker, the making of the Ba construction in Early Modern Chinese. The 17th North American Conference on Chinese Linguistics, Defense Language Institute, Monterey, June 2005.
Invited speaker, gave a presentation entitled the knowledge about the history of Chinese that a teacher of Chinese needs. Beijing Language University (December 25) and Zhongshan University (December 27), 2004.
Participated the annual ACTFL conference in Chicago, November 2004.
Invited speaker, gave a lecture on the grammaticalization of the Chinese auxiliary -de. Institute of Linguistics, the Academy of Social Sciences. August, 2004
Participant, presented a paper on the semantic changes of the Chinese auxiliary de. International symposium on the studies of Chinese dialects. Fudan University, August 2004.
President, presided over the annual Mandarin Speech Contest of the Chinese Language Association of California, UC-Berkeley, April 2004.
Guest lecturer, gave a lecture on the history of Chinese writing, Stanford University Sophomore College, April 2004.
Presenter, gave a lecture, entitled looking for a national language: from Espranto to Beijing dialect. Stanford Humanities Center, March 2004.
Invited Speaker, presented a paper on the teaching of Chinese composition. Workshop on Advanced Chinese instruction, Harvard University, March 2004.
Invited speaker, gave a lecture on pictorials used in Chinese New Year. East House, Stanford University, January 2004.
Participant, presented a paper on the grammaticalization of some Chinese verbs in the serial-verb constructions. Wenzhou Teachers©– university, January, 2004.
Invited speaker, presented a paper on the functions of different Chinese serial-verb Constructions in a Symposium on the history of Chinese Grammar, Zhejiang University, December, 2003.
Invited speaker, gave an hour-long lecture in the Pacific University East Asian lecture series on Language policy and national identity in China. December, 2003.
Discussant, Panel on Classical Chinese grammar, ACTFL annual meeting in Philadelphia, November, 2003.
Convener, 2003 Fall research conference in the University of San Francisco, Chinese Language Teachers Association of California, November 8, 2003.
Speaker of the lecture series on diversity of language, Chinese clause linkage, Division of Literatures, Cultures, and Languages, Stanford University, November 7, 2003.
Invited speaker, On the meanings of Use and Causative in Chinese. East China Normal University, October, 2003.
