María Esther Ferreiro Fernández (Lugo, 1966) studied Business Informatics at the University of Oviedo. She has ample teaching experience in accredited, occupational and continuous training related to office software, network administration, internet and operating systems. In the field of programming she has made many developments in structured programming, date bases, .NET, multimedia and the web. In the last few years her teaching work has focused on the areas of COBOL and .NET programming, training programmers for specialist work in various businesses.