Management and Administration

• 4/2002-7/2004: Head of Multimodal Biometrics Laboratory, Institute for Infocomm Research, A*STAR, Singapore

• 04/2003-07/2011: Program Director (Biometrics) of the Centre for Information Security, NTU.

• 04/2005-07/2011: Director of the Centre for Information Security, NTU.

Editorial Board Member of International Journal

• Editorial board member for IET Biometrics, The Institution of Engineering and Technology, UK

• Editorial board member for The Open Artificial Intelligence Journal of Bentham Science Publishers

• Guest Editor for Special Issue on Biometrics in the Journal of Network and Computer Applications, Elsevier Science

• Editorial board member for ISRN Signal Processing of Hindawi Publishing Corporation

• Editorial board member for Recent Patents on Computer Science of Bentham Science Publishers

Reviewer of International Journals

1. IEEE Transactions on Pattern Analysis and Machine Intelligence

2. IEEE Transactions on Image Processing

3. IEEE Transactions on Systems, Man and Cybernetics, Part B

4. IEEE Transactions on Information Forensics and Security

5. IEEE Transactions on Signal Processing

6. IEEE Transactions on Multimedia

7. IEEE Transaction on Circuits and Systems II

8. IEEE Signal Processing Letter

9. Pattern Recognition

10. Pattern Recognition Letter

11. Pattern Analysis and Applications Journal

12. International Journal of Pattern Recognition and Artificial Intelligence

13. Machine Vision and Applications

14. IEE Proceedings – Vision, Image and Signal Processing

15. IEE Electronics Letters

16. Neurocomputing Journal

17. EURASIP Journal on Applied Signal Processing

18. International Journal of Computer Mathematics

19. International Journal of Image and Graphics

20. Applied Mathematics and Computation

21. KSII Transactions on Internet and Information Systems

Organizing Committee of International Conferences

• 2003: Organizing Committee of First Asian Biometric Workshop, 27-28 November, 2003, Singapore

• 2007: Organizing committee of IEEE Seventh International Conference on Information, Communication & Signal Processing, Singapore.

Track Chair of International Conferences

• 1999: Technical session chair, IEEE Second International Conference on Information, Communication & Signal Processing, Singapore.

• 2005: Technical track chair, IEEE Sixth International Conference on Information, Communication & Signal Processing, Singapore.

• 2007: Technical track chair, IEEE Seventh International Conference on Information, Communication & Signal Processing, Singapore.

Technical Program Committee of International Conferences

• 2007: Technical Program Committee of IEEE 2007 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2007), Xiamen, China

• 2008: Technical Program Committee of the 2008 IEEE World Congress on Computational Intelligence (WCCI 2008), (2008 International Joint Conference on Neural Networks, IJCNN), Hong Kong

• 2008: Technical Program Committee of the 6th Biometrics Symposium, Tampa, Florida, USA, September 22-25 2008

• 2008: Technical Program Committee of the Sixth International Conference on Wavelet Analysis and Pattern Recognition, (ICWAPR 2008), Hong Kong

• 2008: Technical Program Committee of the 19th IAPR International Conference on Pattern Recognition (ICPR 2008), Tampa, Florida, USA, December 2008

• 2009: Technical Program Committee of the Sixth International Conference on Wavelet Analysis and Pattern Recognition, (ICWAPR’09), Baoding

• 2009: Technical Program Committee of the fifth International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP’09), Kyoto, Japan

• 2009: Technical Program Committee of the 3rd IAPR/IEEE International Conference on Biometrics (ICB 2009), Alghero, Italy

• 2010:  20th IAPR International Conference on Pattern Recognition (ICPR’10), Istanbul, Turkey

• 2010:  Fourth International Conference on Biometrics: Theory, Applications and Systems (BTAS 10), Washington DC, USA

• 2010:  The Fourth Pacific-Rim Symposium on Image and Video Technology (PSIVT2010), Singapore

• 2011:  International Joint Conference on Biometrics (IJCB 11), Washington DC, USA

Other Technical Committee

• 2004 - 2010: Chair of Biometric Testing and Reporting WG, Biometrics Technical Committee, Information Technology Standards Committee (ITSC), Singapore.

• 04/2005 – Present: Member of the School Research Committee, School of Electrical and Electronic Engineering, NTU.

• 01/2006 – Present: Executive Committee member of the InfoComm Research Cluster, College of Engineering, NTU.