Professor Leontie is a member of permanent staff of the Faculty of Physics at Alexandru Ioan Cuza University of Iasi, Romania, having worked in research and education at this institution for about 35 years. His research is focused on the physics of low-dimensional semiconductor materials and structures, covering transport, optical properties, deposition and characterization of metal oxide, layered group III-VI materials and organic semiconductors. He also has expertise in Atmospheric and Environmental Physics. Professor Leontie has published over 100 WOS (ex-ISI) papers, including 4 review papers and has more than 120 contributions to international conferences. H-index: 25; WOS citations: over 1300 (about 70 cited papers). Professor Leontie is a coordinating researcher at the Integrated Center for Studies in Environmental Sciences for the North-East Development Region (CERNESIM).