All Speakers Speaker Darío Fernández Valiente Position: Arquitecto Técnico-Junior Production Manager. Company: ARPADA Double Degree student in Building Engineering and Business at UPM. Focused on innovation, sustainability, and construction tech. Excellence Scholar. Upcoming research stay at Tokyo Tech on earthquake-resistant design. Sessions Fri 25 Apr 13:00 - 13:15 ESTIL GURU THEATRE Aliaxis | Analysis of the Profitability and Payback Period of the Investment in Stormwater Recycling and Water Reuse Systems