Robert P. Kirshner Harvard University Sahar S. Allam Fermi National Accelerator Laboratory (FNAL) James Annis Fermi National Accelerator Laboratory (FNAL) Patrice Bouchet CEA/DSM/Irfu/Service d'Astrophysique - Laboratoire AIM Elizabeth Buckley-Geer Fermi National Accelerator Laboratory (FNAL) Peter Challis Harvard University Roger A. Chevalier The University of Virginia Arlin P. S. Crotts Columbia University in the City of New York John I. Danziger INAF - Osservatorio Astronomico di Trieste H. Thomas Diehl Fermi National Accelerator Laboratory (FNAL) Eli Dwek NASA Goddard Space Flight Center Claes Fransson Stockholm University Bryan Gaensler University of Sydney Peter M. Garnavich University of Notre Dame Kevin Heng Ludwig Maximilian Universitat of Munich Jeffrey Kubo Fermi National Accelerator Laboratory (FNAL) Stephen S. Lawrence Hofstra University Bruno Leibundgut European Southern Observatory - Germany Huan Lin Fermi National Accelerator Laboratory (FNAL) Richard McCray University of Colorado at Boulder Nino Panagia Space Telescope Science Institute Jason Pun University of Hong Kong Nathan Smith University of Arizona Jesper Sollerman Stockholm University George Sonneborn NASA Goddard Space Flight Center Ben E. K. Sugerman Space Science Institute Nicholas B. Suntzeff Texas A & M University Douglas L. Tucker Fermi National Accelerator Laboratory (FNAL) Lifan Wang Texas A & M University J. Craig Wheeler University of Texas at Austin