CIPL(Comité International Permanent des Linguistes / Permanent International Committee of Linguists) Executive Committee member, 2018-

CIPL(Comité International Permanent des Linguistes / Permanent International Committee of Linguists) Nominating Committee member, 2017-

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-