Mario Locati is a technologist mainly dedicated to the design, realisation and maintenance of all the databases and websites managed by the Historical Seismology research group at INGV Milano. Since 2004 has been involved in the Italian Macroseismic Database (DBMI) and he is now responsible for its maintenance and updates. Between 2006 and 2010 worked on the module NA4 “Distributed Archive of Historical Earthquake Data” of the EC Project NERIES, which is now maintained by the EC Project SHARE and it is called “Archive of Historical Earthquake Data” (AHEAD). The archive deals with earthquake records of the last one thousand years in the Euro-Mediterranean region. In 2007 he has been involved in the IASPEI Working Group “Historical Seismology”. At the end of 2010 joined the research group responsible for the GEM Global Component "Global Earthquake History".