Peter Coveney holds a Chair in Physical Chemistry and is Director of the Centre for Computational Science, based in the Department of Chemistry. He is an Honorary Professor of Computer Science at UCL and Professor Adjunct at Yale University. His research focuses on many different areas, from molecular and mesoscale fluid dynamics simulations to multiscale materials modelling and computational biomedicine, all exploiting high performance computational techniques. He is co-organiser (with Jean Pierre Boon and Sauro Succi) of the Solvay Symposium on Multiscale Modelling at the Physics, Chemistry and Biology Interface, which is taking place at the Free University of Brussels in Brussels, Belgium, 19-21 April 2016. His paper to be presented at the conference, entitled "Big Data Needs Big Theory Too", is co-authored with Prof Ed Dougherty and Dr Roger Highfield.