2013-now LEGO Ambassador for HKLUG, HK
2008-2010 LEGO Ambassador for HKLUG, HK
2005-2010 Committee of Minifigs.net (HK)
2007-now Committee of HKLUG (HK)
Facebook: http://www.facebook.com/chiukeungbrick
LEGO album: http://www.brickshelf.com/cgi-bin/gallery.cgi?m=chiukeung