David Melcon Sanchez-Friera is Chief Financial Officer at Innoweb Ltda., Chief Financial Officer for Pop Internet Ltda., Chief Financial & Investor Relations Officer at Telefonica Brasil SA, Chief Financial Officer for SP Telecomunicações Participações Ltda., Chief Financial Officer for Terra Networks Brasil SA and Chief Financial Officer at Telefonica Infraestrutura e Seguranca Ltda. He is also on the board of Fundacao Telefonica, Telefónica Factoring do Brasil Ltda. and Telefônica Corretora de Seguros Ltda. In his past career David Melcon Sanchez-Friera occupied the position of Financial & Control Officer at Telefonica Group, Transformation Officer at Telefónica SA Financial Manager at Telefónica Latinoamérica SA, Financial Manager at Telefónica Móviles SA and Chief Financial Officer at Telefonica Data SA (which are all subsidiaries of Telefónica SA), Chairman-Supervisory Board of Telefónica O2 Slovakia sro and Chief Financial Officer at O2 Czech Republic as. Mr. Sanchez-Friera received an undergraduate degree from the University of Zaragoza and a graduate degree from Universidad Complutense de Madrid.