2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144620It has been more than twenty years since theorists started discussing supersymmetric model building/phenomenology. We review mechanisms of supersymmetry breaking/mediation and problems in each scenario. We propose a simple model to address those problems and discuss its phenomenology.Based on lectures given at Summer Institute 2007, Fuji-Yoshida, Japan, Aug. 3-10, 2007. 13 pages, 4 figures, 1 tableHigh Energy Physics - Phenomenologytext