Vassil Alexandrov is an ICREA Research Professor in Computational Science at Barcelona Supercomputing Centre. He holds an MSc degree in Applied Mathematics from Moscow State University, Russia (1984) and a PhD degree in Parallel Computing from Bulgarian Academy of Sciences (1995). He has held previous positions at the University of Reading, UK (School of Systems Engineering, 1999-2010, as a Professor of Computational Science leading the Computational Science research group until September 2010, and as the Director of the Centre for Advanced Computing and Emerging Technologies until July 2010); and at the University of Liverpool, UK (Departments of Statistics and Computational Mathematics and Computer Science, 1994-1999). His expertise and research interests are in the area of Computational Science encompassing Parallel and High Performance Computing, Scalable Algorithms for advanced Computer Architectures, Monte Carlo methods and algorithms. He currently leads the Extreme Computing research group at BSC focusing on developing novel mathematical methods and scalable algorithms for solving problems with uncertainty on large scale computing systems applying the techniques and methods mentioned above. He is a member of the Editorial Board of the Journal of Computational Science and Guest Editor of Mathematics and Computers in Simulation. He has published over 110 papers in renowned refereed journals and international conferences and workshops in the area of his research expertise. He has successfully organized ScalA at SC10,SC11, SC12, SC13, SC14, SC15, SC16 as well as ICCS2013 (International Conference in Computational Science, 500+ participants).