• Member, CSChE, 1993 - present
• Executive, CSChE local committee, 2000 – 2004
• Member, APEGBC, 2003 – present
• Member, Board of Examiners, APEGBC, 2004-present
• Member, AIChE, 2005 – present
• Member, North American Life Cycle Association, 2007 – present

Editorships (list journal and dates)

• Editorial Board, China Particuology, 2005-present
• Editorial Board, Chinese Journal of Process Engineering, 2005-present
• Guest editor for Jin and Yu special issue, China Particuology, 2007.
• Guest editor for L.S. Fan Special Issue, I&EC, 2008.

Other service to the community

• Committee member, Student paper competition, 48 th CSChE Conference, London, Canada, October 1998.
• Guest Professor, University of Petroleum, Beijing, China, 1999-present.
• Guest Professor, Tsinghua University, Beijing, China, 2004-present
• Guest professor, Institute of Process Engineering, Chinese Academy of Science, January 2005 to December 2007.
• Member of Innovation Team on Multiscale Modeling of Multiphase systems, Chinese Academy of Sciences, Beijing, 2005-2008.
• Participated as a co-applicant in a new campus wide TLEF program on incorporating sustainability into teaching curricula, a project lead by the UBC Sustainability Office, as the leader on case studies. 2006-2007.
• Member of a “111” project with the China University of Petroleum, sponsored by Chinese Ministry of Education, 2007-2010.
• Participated in the SEEDS program with CHBE484 students involved in campus sustainability projects, For 2007-2008, three projects: impact of the use of recycled papers, greenhouse gas reduction for UBC transportation alternatives, alternative fuel sources for UBC boiler house. 2003-present