Belita Koiller, from Brazil, is Full Professor of Physics at the Federal University of Rio de Janeiro, Brazil. Professor Koile holds a PhD in Physics from the University of California, Berkeley (1975). At the moment Professor Koiller is an elected member of the Brazilian Physic Society Council and a Full Professor from Having a great experience in the area of Physics with emphasis in Physics of Condensed Material, Professor Koiller acts, mainly, in the following themes: semiconductors physics, nanostructures, Quantico computation and electronic property of disorganized systems.