Supervisor, Taiwan Association of Disaster Prevention Industry
Senior advisor, Taiwan Well Driller Association
2006 to 2007, CEO, Cleaner Production and Regional Development Foundation
2005 to 2006, Vice Chairman, Department of Civil Engineering, National Chiao Tung University (NCTU), Taiwan
2001 to 2004, Deputy Director, Taiwan International Institute for Water Education (TIIWE) (Partner of UNESCO-IHE PoWER)
2002 to 2004, Member, Technical Committee, UNESCO-IHE PoWER
1999 to 2001, Member of Board of Directors, Taiwan Soil and Groundwater Protection Association