International Program Committee member

• Japan
• 2013-10-21
• Activity Description: International Conference on CyberWorlds 2013 - ACM SIGGRAPH small conference, IEEE/Eurographics in cooperation status

International Program Committee member

• Japan
• 2013-07-05
• Activity Description: IEEE International Conference on Biometrics and Kansei Engineering 2013 Co-sponsored by IEEE, IEEE Signal Processing Society Japan, IEICE Technical Committee on Biometrics Japan

International Program Committee member

• Germany
• Activity Description: 30th Anniversary Computer Graphics International (CGI), New Advances in Shape Analysis and Geometric Modeling Workshop

International Program Committee member

• Germany
• 2012-09-25
• Activity Description: ACM/IEEE International Conference on Cyberworlds 2012, ACM SIGGRAPH small conference, IEEE/Eurographics in cooperation status

International Program Committee member

• Japan
• 2012-08-22
• Activity Description: 12th IEEE International Conference on Cognitive Informatics & Cognitive Computing ICCI*CC 2012

Honorary International Scientific Committee member

• India
• 2011-11-23
• Activity Description: 1st International Conference on Mathematical Sciences

Steering Committee member

• United States, New York
• 2011-09-01
• Activity Description: 10th International Symposium on Voronoi Diagrams 2012, IEEE-CS

International Program Committee member

• Canada, Alberta
• 2011-08-18
• Activity Description: 10th Anniversary IEEE International Conference on Cognitive Informatics & Cognitive Computing ICCI*CC 2011

International Program Committee member

• United States, New York
• 2011-08-17
• Activity Description: 12th Algorithms and Data Structures Symposium WADS 2011, Springer

International Program Committee member

• Czech Republic
• 2010-09-07
• Activity Description: GRAVisMa 2010 Computer Graphics, Computer Vision and Mathematics, in-cooperation with Eurographics, Supported by Microsoft, NVIDIA and SGI

International Program Committee Member

• Finland
• 2010-06-14
• Activity Description: 7th IEEE International Conference on Computer Graphics, Imaging and Visualization CGIV 2010

International Program Committee member

• France
• 2010-05-17
• Activity Description: International Conference on Computer Graphics Theory and Applications GRAPP 2010, in cooperation with Eurographics and IEEE Computer Society

International Program Committee member

• Poland
• 2009-06-29
• Activity Description: IEEE International Conference on Biometrics and Kansei Engineering 2009

International Program Committee member

• France
• 2009-05-29
• Activity Description: International Conference on Intelligent Computer Graphics 3IA 2009, Springer, in-cooperation with Eurographics

International Program Committee member

• Kuwait
• 2009-03-20
• Activity Description: International Conference on Information Science, Technology and Applications ISTA 2009, sponsored by ACM

International Advisory Committee member

• India
• 2009-03-18
• Activity Description: Spatial Information Retrieval, Analysis, Reasoning and Modeling, Bangalore, India, 2009

International Scientific Committee member

• India
• 2009-01-01
• Activity Description: ISPRS International Workshop on Multidimensional and Mobile Data Model 2009

International Program Committee member

• Spain
• 2008-09-01
• Activity Description: GRAPP 2009 International Conference on Computer Graphics Theory and Applications, in cooperation with ACM SIGGRAPH and Eurographics

International Program Committee member

• United States, Nevada
• 2008-07-14
• Activity Description: International Conference on Communication in Computing 2008

International Program Committee member

• Portugal
• 2008-01-22
• Activity Description: International Conference on Computer Graphics Theory and Applications GRAPP 2008, in cooperation with ACM SIGGRAPH and Eurographics