Piero Messidoro graduated in Nuclear Engineering at the Politecnico di Torino. He has been working for Alenia Spazio (the former name of Thales Alenia Space) since 1975 in the System Engineering, Verification and Testing area. He has had direct verification and test responsibilities in manned and unmanned spacecraft including scientific satellites, transportation systems and International Space Station modules. He was Technical Director of Exploration and Science Domain in Torino until October 2013. Presently, he is Deputy CTO of Thales Alenia Space and VP of R&D Technology and Product Policyt . He is also member of the Organizing Committee of the ESA Environmental Testing Symposium and International coordinator of the Aerospace Testing Seminar. Since 2001 Mr. Messidoro has served as external Professor at the Politecnico di Torino giving lectures in Systems Engineering and Program Management in the International Master course SEEDS (SpacE Exploration and Development Systems).