PI: Yun Wang (U of Oklahoma) Deputy PI: Edward Cheng (Conceptual Analytics) Lead Scientists: Interdisciplinary: Arlin Crotts (Columbia), Tom Roellig (NASA Ames), E. L. Wright (UCLA) Supernova: Peter Garnavich (Notre Dame), Mark Phillips (Carnegie Insti. of Washington) Weak Lensing: Ian Dell'Antonio (Brown) Baryon Oscillations: Leonidas Moustakas (JPL/Caltech) Eddie Baron (U of Oklahoma),   Steve Bender (LANL),   David Branch (U of Oklahoma),   Stefano Casertano (Space Telescope Insti.),   Bill Forrest (U of Rochester),   Salman Habib (LANL),   Tom Hale (LANL),   Mario Hamuy (U of Chile),   Katrin Heitmann (LANL),   Alexander Kutyrev (NASA GSFC),   John MacKenty (Space Telescope Insti.),   Craig McMurtry (U of Rochester),   Casey Papovich (Steward Observatory), Judy Pipher (U of Rochester),  William Priedhorsky (LANL),  Robert Silverberg (NASA GSFC),   Volker Springel (Max-Planck-Institut fuer Astrophysik),  Gordon Squires (JPL/Caltech),   Jason Surace (JPL/Caltech), Max Tegmark (MIT),   J. Craig Wheeler (UT Austin)