Editor, Journal of Chemical Engineering of Japan, 2009-now
Editorial Board, Journal of Taiwanese Institute of Chemical Engineers, 2006-now
Editorial Board, Applied Membrane Science and Technology, 2005-now
Guest Editor, Advances in chitin/chitosan science and their applications, in Carbohydrate Polymers, 2010
Plenary lecturer, AMS6 (Aseanian Membrane Society), Sydney, Nov. 22-26, 2010.
Scientific Committee Member, AMS5 (Aseanian Membrane Society) 2009, Kobe, July 12-14, 2009
Scientific Committee Member, AMS7 (Aseanian Membrane Society) 2012, Busan, July 4-6, 2012
Scientific Committee Member, AMS8 (Aseanian Membrane Society), Xian, July 16-19, 2013.