Devis Sonda, Ph.D., S.E, is Principal of Miyamoto International, Milan Office. He has more than 10 years of experience as adjunct professor at Padua University (Italy), where he currently teaches Prefabricated Structures. He is involved as a consultant with Trento University (Italy), to build a Bridges Management System. Since 1992 he has worked with many types of structural projects, mainly in the field of earthquake resistant structures. Devis has extensive experience in reliability evaluation and the retrofit of existing structures; mainly masonry and concrete buildings. He has experience with post-earthquake evaluation of structures in Umbria (Italy) 1998, L’Aquila (Italy) 2009 and Port-au-Prince (Haiti) 2010. He has served on code writing European organizations (CEN). His skills in seismic vulnerability assessment and retrofit of buildings are the result of a good deal of knowledge and a global approach to understanding structure behaviour under dynamic action.