Professional

President (2007-2008)

Survey Methodology Section, Statistical Sciety of Canada

President (2005-2006) International Chinese Statistical Association

Grant Selection Committee Member: (1999-2001). Natural Science and Engineering Research Council of Canada.

Member (2005-)

Engineering and Physical Sciences Research Council, United Kingdom

Associate Editor: (2002-)

Canadian Journal of Statistics.

Associate Editor: (2004-)

Statistica Sinica.

Associate Editor: (2009-)

Journal of Statistical Planning and Inference.