Belita Koiller is a Brazilian Professor of Physics at the Instituto de Física, Universidade Federal do Rio de Janeiro (UFRJ), Brazil. She is a Condensed Matter Theorist, and has contributed to the understanding of the properties of disordered solids, particularly disordered chains and semiconductor alloys. More recently, she has been interested in quantum control of individual electron spin and charge in semiconductors, aiming at applications in quantum information and quantum computing.