Technical Program Committee, IEEE Computer Society Workshop on Biometrics, in association with CVPR 2007, Minneapolis, MN, June 2007.

Advisory Committee, International Conference on Image Analysis and Recognition (ICIAR), Montreal, Canada, August 2007.

Technical Program Committee, Biometrics Consortium Conference, Baltimore, MD, September 2007.

Technical Program Committee, 5th IEEE Workshop on Automatic Identification Advanced Technologies, Alghero, Italy, June 2007.

Co-chair, SPIE Conference on Biometrics Technology for Human Identification, Orlando, FL, March 2008.

Technical Program Committee, Optical Data Storage (ODS) Conference, Waikoloa, HI, July 2008.