PRST-AB Editorial Staff Editor Robert Siemann, Stanford Linear Accelerator Center Associate Editor Brant M. Johnson, Brookhaven National Laboratory Francesco Ruggiero, CERN Senior Assistant Editor Debbie Brodbar Editorial Board Term ending 31 December 2006 Caterina Biscari G. William Foster Mitsuru Uesaka Thomas Wangler Term ending 31 December 2007 Carlo Joseph Bocchetta Stuart Henderson John M. Jowett Yoshishige Yamazaki Term ending 31 December 2008 Rick Baartman Samuel Krinsky Michael W. Poole Ferdinand Joachim Willeke