Associate Editor,
Asia-Pacific Journal of Operational Research
Subject Area Editor,
Parallel Computing
Board member,
Asian Association for Algorithms and Computation (AAAC)
Guest Editor, special issue on ``New challenges in scheduling theory", Journal of Scheduling
PC member,
ISAAC 2005
, PMGC 2007,
COCOON 2008
,
COCOA 2008
, AAAC 2008, AAAC 2009, ASTEC 2009,
FAW 2009
,WAOA 2009, AAIM 2010
PC Co-Chair, ESCAPE 2007