We welcome Prof. Dr.-Ing. Raul Queiroz Feitosa from the Department of Electrical Engineering of the Catholic University of Rio de Janeiro (PUC-Rio). He will be at the IPI from 1.08.2013 until 31.07.2014. His stay is financed by the EU-FP7-project entitled "Tools for Open Multi-Risk Assessment using Earth Observation Data" (TOLOMEO) at the Marie Curie International Research Staff Exchange Program.