Jorge Mateu is a full professor of Statistics at the Department of Mathematics of University Jaume I of Castellon, where he has worked for the past 20 years. His main fields of interest are stochastic processes in their wide sense with a particular focus on spatial and spatio-temporal point processes and geostatistics. He has published more than 150 papers in peer-reviewed international journals, and he is co-author of several proceedings and research books. He has organised several international conferences with a focus on modelling space-time processes, and leads the organising committee of a series of biannual conferences (called METMA, eight by now) co-sponsorised by TIES, for which he was also Secretary. He currently sits on the editorial boards of Spatial Statistics, Journal of Environmental Statistics, Stochastic Environmental Research and Risk Assessment, Environmetrics, and Journal of Agricultural, Biological, and Environmental Statistics. Prof. Mateu is also director of the Unit "Statistical Modelling of Crime Data", based in the Department of Mathematics, University Jaume I of Castellon, and he is co-director of the Erasmus Mundus Master in Geospatial Technologies, funded by the European Commission.

Ramon Giraldo is currently a full professor of Statistics at the Department of Statistics at the Universidad Nacional de Colombia, where he has worked for more than 10 years. His main fields of interest are non-parametric statistics, functional data analysis and spatial and spatio-temporal geostatistics. He has published more than 20 papers in peer-reviewed international journals, and he has been supervisor of 2 Doctoral Thesis and more than 10 Master Thesis.  He has been Academic Coordinator, Head of Department and Research Coordinator at the Statistics Department of Universidad Nacional de Colombia. He is currently Editor-in-Chief of Colombian Journal of Statistics.