All Speakers Speaker Joaquín Esteban Position: Product Development Engineer Company: Onduline Industrial Technical Engineer from the University of Salamanca. Onduline prescription manager. Product development engineer and head of local product regulations and compliance at Onduline Spain. Sessions Wed 23 Apr 16:15 - 16:30 ESTIL GURU THEATRE ONDULINE | Onduline solutions for energy rehabilitation of roofs – Success story: Cuartel del Príncipe