sentences:  He is also noted for his contribution as co-author of a high school textbook.A member of the Group for Social Dialogue, he joined the National Liberal Party (PNL) and was elected to the Romanian Senate for Timiș County in 2004.Following the accession of Romania to the European Union (January 1, 2007), he served as a Member of the European Parliament in the Alliance of Liberals and Democrats for Europe (ALDE) and a vice president of the ALDE group in the European Parliament.