Vasilis Gregoriou is the Director and Chairman of the Board at the National Hellenic Research Foundation (NHRF), one of the largest Research Centers in Greece.  He is an internationally known scientist with research and managerial positions in both Greece (NHRF, FORTH) and the US (Advent Technologies, Northeastern, MIT, Polaroid, Princeton) over his 30 year career so far.  He has also cofounded in 2017 the Athens Comprehensive Cancer Center (ACCC) with the help of the Helmholtz Association, the largest scientific organisation in Germany, and the German Cancer Research Center (DKFZ) in Heidelberg, Germany.  As a technology entepreuneur, Vasilis Gregoriou has cofounded Advent Technologies (www.advent-energy.com).  Advent Technologies, headquartered in Cambridge, Massachusetts, USA with manufacturing facilities in Patras, Greece and R&D alliances with Northeastern University, University of Patras, and FORTH-ICET is a world leader in the development of advanced materials and devices for energy, defense, security and aerospace applications.  He holds a PhD in Physical Chemistry from Duke University (1993), Durham, NC, USA and was a National Institutes of Health (NIH) Research fellow holding the prestigious NRSA award at Princeton University, Princeton, NJ, USA in 1994.