| Research Group Lead, Database and Data Analytics Research Group | Mar 2012 - Nov 2024 | 
| Member of Faculty Search Committee for Economics and Data Science | 2023 - 2024 | 
	
| Subject Area Group (SAG) Lead | 2011 - 2017 | 
	
| Senior Visiting Professor, Fudan University, China | 2013 | 
| Committee Member, NTU CRP Panel (Informatics & Math Discipline Cluster) | Apr 2013 - Mar 2015 | 
| Committee Member, NTU Research Council for AcRF Tier 1 and 2 grant proposals (Informatics & Mathematics Discipline Cluster) | Dec 2011 - Dec 2013 | 
| Reviewer of National Research Foundation (NRF), Singapore | 2011 - 2013 | 
| Director, Data-Intensive Scalable Computing (DISCO) Lab | 2012 - 2015 | 
| Member of Faculty Search Committee | 2006 - 2014 | 
| Visiting Associate Professor, Biological Engg Div., MIT, USA | July 2007 - July 2013 | 
| Graduate Program Committee, Singapore-MIT Alliance (CSB Program) | July 2005 - Oct 2009 | 
| Singapore-MIT Alliance (SMA) Fellow | July 2005 - June 2013 | 
| Director, Centre for Advanced Information Systems (CAIS) | Oct 2006 - Aug 2012 | 
| Deputy Director, Centre for Advanced Information Systems (CAIS) | July 2005 - Sept 2006 | 
| Exhibition Subcommittee Chair (College of Engineering Week 2006) | July 2005 - Mar 2006 | 
| School Representative of CoE Week 2005 | Nov 2004 - Mar 2005 | 
| School Representative of CoE Week 2004 | Aug 2003 - Mar 2004 | 
| School Coordinator of The Enterprise, Innovation & Technology Exchange Exhibition | May 2003 - Oct 2003 | 
| School Coordinator for JCPL and CoE, NTU | June 2003 - June 2006 | 
| School Representative of Innovation in Engineering Conference and Exhibition | Mar 2003 - Jul 2003 | 
| School Representative of CoE Week 2003 | Aug 2002 - Mar 2003 | 
| School Representative of SCIENCE.02 | Jul 2002 - Sept 2002 | 
| School Representative of STBM 2001 | Jul 2001 - Sept 2001 | 
| Judge of ACM Regional Computer Programming Contest | Jul 2001 - Dec 2001 | 
| Judge of ACM Regional Computer Programming Contest | Aug 2000 - Dec 2000 |