The Organizing Committee (OC) will select topics that represent state-of-the-art for a given area and suggest speakers to be invited to cover each topic. The OC will also suggest topics and presenters for invited poster sessions.
| Area | Name | Affiliation |
| Accelerators | Rob Ryne | Lawrence Berkeley National Laboratory |
| Astrophysics | Tony Mezzacappa (Chair) | Oak Ridge National Laboratory |
| Biology | Julie Mitchell | U. of Wisconsin |
| Chemistry | Robert Harrison | Oak Ridge National Laboratory |
| Climate | John B. Drake | Oak Ridge National Laboratory |
| Jim Hack |
National Center for Atmospheric Research |
| Combustion | Jacqueline Chen | Sandia National Laboratories |
| Fusion | Bill Tang | Princeton Plasma Physics Laboratory |
| Lattice QCD | Bob Sugar | UC-Santa Barbara |
| Materials | Peter Cummings | Vanderbilt/ORNL |
|
| Applied Math | David Keyes | Columbia |
| Applied Math | Esmond Ng | Lawrence Berkeley National Laboratory |
| Architectures | Jack Dongarra | UT-Knoxville |
| Computer Science | Nagiza Samatova | Oak Ridge National Laboratory |
| Computer Science | William Gropp | Argonne National Laboratory |
| Grids/Collaboratories | Richard Mount | Stanford Linear Accelerator Center |
| Networking | Wu-Chun Feng | Los Alamos National Laboratory |
| Visualization | Chris Johnson | U. of Utah |