| Meeting | Date | Role |
|---|
| 11th International Conference on Parallel and Distributed
Computing Systems (PDCS'98), September 2-4, 1998, Chicago,
Illinois | | Program Vice-Chair for Concurrency and
Parallelism |
| ICS 1998 | | Program Committee |
| IPDPS 2001, April, San Francisco | | Program Committee |
| ICPP 2001 | | Program Committee |
| IEEE Cluster 2001 | | Vice Program Chair |
| IEEE Cluster 2002 | | Program Chair |
| International Symposium on High Performance Computing 2002 (ISHPC-IV) | | Program Chair (Software Track) |
| SC2002 | | Program Committee |
| IEEE Cluster 2002 | | September 2002 |
| International Symposium on High Performance Computing 2002 (ISHPC-IV) | May 2002 | |
| Euro PVMMPI'02 | September 2002 | |
| SC2002 | November 2002 | |
| International Workshop on Innovative Architectures | January 2003 | |
| Euro PVM/MPI'03 | September 2003 | |
| International Conference on Parallel Processing (ICPP'03) | October 2003 | |
| SC2003 | | |
| IEEE Cluster 2003 | December 2003 | Vice Chair for Middleware |
| International Workshop on Grid Education (at CCGrid2004) | April, 2004 | |
| IPDPS'04 | April 2004 | |
| IEEE Cluster 2004 | | |
| Euro PVM/MPI'04 | | |
| SC2004 | | Program
Committee |
| Euro PVM/MPI'05 | | |
| Workshop on the Frontiers of Extreme Computing | | Steering Committee |
| SC2005 | | Program
Committee (Applications) |
| SIAM Parallel Processing 2006 | | Co-Chair |
| IFIP Working Conference on Grid-based Problem Solving Environments: Implications for Development and Deployment of Numerical Software | July, 2006 | Program Chair |
| Euro PVM/MPI'06 | | |
| IEEE Cluster 2006 | | Program Chair |
| SC2006 | | Technical Papers Co-Chair |
| HPCC07 | | |
| ParCo'07 | | |
| IPDPS'08 | | Program Committee |
| Parallel Programming
on Accelerator-Based Systems | February, 2008 | Program Committee |
| Parallel Programming Models and Systems Software
for High-End Computing (P2S2), a workshop for
ICPP | | Steering Committee |
| PACT'09 | September, 2009 | Program Committee |
| ICS'10 | Program Committee |