Dr. D. Niarchos obtained his B.Sc. and Ph.D from National Kapodestrian University of Athens, Greece and holds also an MBA in R&D from Loyola University. From 1978 to 1981 he was IAEC Distinguish Post-Doctoral Researcher at Argonne National Lab and from 1981 to 1985 he was Assistant Professor at the Illinois Institute of Technology, Chicago, USA, then moved to NCSR “D” in 1985 as Senior Researcher. From 1994-1999 he served as the Director of Institute of Materials Science of the NCSR Demokritos, from 1996-1999 as Vice President and from 2005-2010 as Director and President of the Board of the NCSR “Demokritos”. He is in charge of the group of permanent magnets, magnetic recording and sensors and advanced energy related materials. He is the author and co-author of more than 420 publications with more than 6500 citations with an impact h-factor 37, with funding in excess of 12MEURO. He has also trained 23 PhD students, more than 20 Master and numerous students towards their Diploma Thesis. He had served as advisor for the Greek Government and the EC.