Dr. Felice Vanin studied electrical engineering and have a Ph.D. in applied electromagnetics; in 2004, he was awarded a Fulbright scholarship issued by United States Department of International Education to study at the University of Maryland. He is now with the European Space Agency Research and Technology Centre (ESTEC), Noordwijk, The Netherlands, where he is a part of the Copernicus program of the Earth Observation directorate. Dr. Vanin is working for Sentinel 3 and CIMR satellites as the instruments manager of the Sentinel 3 microwave altimeter (SRAL) and microwave radiometer (MWR), and as CIMR system engineer. His main interests are in the area of design and techniques of microwave passive components (e.g. filters, multiplexers, OMT) and satellite payload architectures.