Irena Hajnsek is Professor of Earth Observation and Radar Remote Sensing at the Swiss Federal Institute of Technology (ETH) Zürich Institute of Environmental Engineering and at the same time head of the Polarimetric SAR Interferometry research group at the German Aerospace Center Microwaves and Radar Institute. Her main research interests are in electromagnetic propagation and scattering theory, radar polarimetry, SAR and interferometric SAR data processing techniques, environmental parameter modelling and estimation. She received her Dipl. degree in 1996 from the Free University of Berlin, Germany and the Dr. degree in 2001 from the Friedrich Schiller University of Jena, Germany. Since 2010 she is the science coordinator of the German satellite mission TanDEM-X and proposed satellite mission Tandem-L.   Yves-Louis DESNOS is Head of the Data Applications Division in the ESA EO Programme Directorate, Frascati, Italy. He is incharge of the EO Science for Society element of the Future Earth Observation envelope programme. His current activities encompass new scientific research, developing user applications, fostering industry growth and leveraging on latest platforms technology.  He graduated as Engineer at E.S.T.A.C.A.(1982), obtained a specialisation degree in Space at E.N.S.A.E (1983) and started his career at Thomson-CSF as RADAR system engineer (1984). He joined ESA-ESTEC as RADAR engineer (1989) and was appointed ASAR principal engineer in the ENVISAT project (1996). He was chairman of CEOS WGCV SAR subgroup (1996-2000) and chairman of CEOS WGCV (2000-2003). Since 2006, he is also ESA Senior Advisor on SAR technologies and applications. In 2014, he received the P.R. China’s Friendship Award for the Dragon cooperation.