Kostas Tassis obtained his BSc in Physics at the University of Thessaloniki in 1999 and his PhD in Theoretical Astrophysics at the University of Illinois at Urbana Champaign (USA) in 2005. He was a Postdoctoral Fellow at The University of Chicago (2005 - 2008) and at Jet Propulsion Laboratory (a NASA lab run by Caltech) (2008-2011). He was elected as an Assistant Professort at the University of Crete in 2011, and he joined the Department of Physics in the fall of 2012. Between 2011 and 2012 he was a Visiting Scientist at the Max-Planck Institute for Radioastronomy in Bonn, Germany. He was promoted to an Associate Professor in 2018.