CIPL(Comité International Permanent des Linguistes / Permanent International Committee of Linguists) Executive Committee member, 2018-2024
CIPL(Comité International Permanent des Linguistes / Permanent International Committee of Linguists) Nominating Committee member, 2017-2024
LST (Linguistic Society of Taiwan) Chair of Executive Board臺灣語言學學會第九屆理事長, 2016-2018
LST (Linguistic Society of Taiwan) Vice Chair of Executive Board臺灣語言學學會第八屆副理事長, 2014-2016
AP Chinese reader, 2014
New Taipei City Indigenous Language Development Committee Member (新北市政府原住民族語言發展委員會第二屆委員), 2013-2015
CTLDC co-director July 2012- http://www.ctldc.org/
CTLDC International planning group member and steering committee member 2010-2012 http://www.rnld.org/node/103
Co-founder of NWAV Asia Pacific, 2011-.
LSA CELP committee member, 2009-2012
Linguistic Society of America (LSA), 2008-
American Association of Applied Linguistics (AAAL), 2004-
English Teaching and Research Association, Taiwan, 2004-
Linguistic Society of Taiwan, 1998-