Workshop on the Physics of Excited Nucleon – NSTAR2009 is to be hosted by the Institute of High Energy Physics (IHEP) of Chinese Academy of Sciences ( CAS ) in Beijing on April 19 – 22, 2009 . The study of nucleons and their resonances has provided a rich source of information on strong interaction physics in the non-perturbative QCD regime, and also raised fundamental questions with profound significance for our understanding of Nature.