Professional sculptor, President of Singapore Sculpture Society (2015-2017) (2005-2009), Chairman of Singapore’s ” Studio Gu Lou” Management Committee (2014-2015), Member of Advisory Panel of Norwegian ” Overseas” Artists Organization (London) (2011-2015), Member of Public Art Evaluation Committee of Singapore State Administration of Cultural Heritage (2010-13), Member of Curriculum Development Advisory Panel of nanyang academy of fine arts Pure Art Department (2011-2014).  Member of the professional evaluation team of Singapore’s National Arts Council’s Youth Culture Award (2012-2013), overseas evaluation of Taiwan Yulong International Woodcarving Competition (2011-2013).

” Black Dinner”、 “A Day Without a Tree “