Organizing Committee:
- F. Avignone [co-chair] (University of South Carolina)
- W. Haxton [co-chair] (University of Washington)
- E. Aprile (Columbia University)
- B. Barish (CALTECH)
- J. Cronin (University of Chicago)
- E. Henley (University of Washington)
- A. Morales (University of Zaragoza/LSC Canfranc)
- H. Robertson (University of Washington)
- C. Stubbs (University of Washington)
- J. Wilkerson (University of Washington)
International Advisory Committee:
- J.J. Aubert (CNRS-Marseille)
- J. Bahcall (Princeton University)
- M. Baldo-Ceolin (University of Padova/INFN)
- V. Berezinsky (INFN/LNGS)
- L. Bergstrom (University of Stockholm)
- A. Bettini (LNGS)
- S. Bilenky (JINR-Dubna)
- D.O. Caldwell (University of California-Santa Barbara)
- A. Dar (Technion Haifa University)
- G. Domogatsky (INR-Moscow)
- H. Ejiri (University of Osaka)
- E. Fernandez (IFAE-Barcelona)
- E. Fiorini (University of Milano/INFN)
- G. Fogli (University of Bari/INFN)
- M. Fukushima (ICCR-Tokio)
- T. Gaisser (University of Delaware)
- G. Gelmini (UCLA)
- G. Giacomelli (University of Bologna)
- F. Halzen (University of Wisconsin)
- E. Iarocci (INFN Bologna)
- T. Kirsten (MPI-Heidelberg)
- L. Maiani (CERN)
- A. McDonald (SNO)
- L. Mosca (Saclay/LSM-Frejus)
- E. Peterson (University of Minneapolis/Soudan)
- R. Petronzio (INFN/University of Roma Tor Vergata)
- G. Raffelt (MPI-Munchen)
- R. Rebolo (IAC-Tenerife)
- L. Resvanis (University of Athens)
- P. Salati (University of Savoie/LAPTH-Annecy)
- A. Smirnov (ICTP-Trieste)
- N. Spooner (University of Sheffield)
- S. Ting (MIT/CERN)
- M. S. Turner (FNAL/University of Chicago)
- J.W.F. Valle (IFIC-Valencia)
- F. von Feilitzsch (Technische Universitat-Munchen)
- G. Zatsepin (INR-Moscow)
Steering Committee:
- A. Bottino [co-chair] (University of Torino/INFN)
- A. Morales [co-chair] (University of Zaragoza/LSC Canfranc)
- F.T. Avignone (University of South Carolina)
- B.C. Barish (CALTECH)
- E. Bellotti (University of Milano/INFN)
- J. Bernabeu (University of Valencia)
- V. de Alfaro (University of Torino/INFN)
- C.W. Kim (Johns Hopkins University/KIAS)
- E. Lorentz (University of Munchen)
- V. Matveev (INR-Moskow)
- M. Spiro (IN2P3)
- Y. Totsuka (ICCR-University of Tokyo)