| A.K. Steiner (WEGC/UniGraz, AT; OPAC-4) |
| U. Foelsche (WEGC/UniGraz, AT; OPAC-4) |
| G. Kirchengast (WEGC/UniGraz, AT; OPAC-4) |
| K.B. Lauritsen ((DMI, Copenhagen, DK; GRAS-SAF) |
| H. Gleisner ((DMI, Copenhagen, DK; GRAS-SAF) |
| A. von Engeln (EUMETSAT, DE; IROWG) |
| D. Hector (NOAA, USA; IROWG) |
| R. Anthes (UCAR, Boulder, USA) |
| T. Tsuda (RISH/U.Kyoto, JP) |
| A.K. Steiner (Chair, General Coordination, Communications, Finances&Sponsors, SciProgramme ) |
| K.B. Lauritsen (Chair, Coordination, Finances, SciProgramme) |
| U. Foelsche (Chair, Coordination, LOC, SciProgramme&Abstracts Book, Proceedings) |
| G. Kirchengast (Chair, Senior Advice/Support, SciProgramme) |
| S. Tschuertz (LOC Lead Organizer, OPAC 2010 Website Content) |
| S. Stangl (LOC Organizer, Workshop Secretary ) |
| K. Sorko (LOC Organizer) |
| B.C. Lackner (LOC Organizer) |
| V. Proschek (LOC Organizer) |
| F. Ladstaedter (LOC Organizer) |
| B. Christiansen (Workshop Secretary, Financial support&reimbursement matters) |
| W. de Geeter (OPAC 2010 Website System, OPAC 2010 Administrator, Email-Web Win/Lin-PC Stations, User Support) |