He was a senator from 1992 to 2008, representing Dolj County (1992–2004) and then Hunedoara County (2004–2008), first of the Socialist Labour Party, and later of the Social Democratic Party of Romania.
From 21 April 2005 until 21 February 2010 he was the head of the Partidul Social Democrat (PSD, Social Democratic Party), one of Romania's largest parties.
Social Democratic Party of Germany | Social Democratic Party | social media | The Social Network | Social Democrats | Social Security Administration | Social Democratic Party (UK) | Democrat (United States) | social democracy | Swedish Social Democratic Party | Social Distortion | Chinese Academy of Social Sciences | Social Democrat Radical Party | social | Catholic social teaching | Social democracy | Faculty of Humanities and Social Sciences, University of Zagreb | Broken Social Scene | Social Security | Social Science Research Council | Economic and Social Research Council | social network | Social Democratic Party of Austria | Social Security (United States) | Social Democratic Party (Portugal) | Social learning theory | Social Democratic Party (Romania) | Social class | Democrat Party (Thailand) | Democrat Party |
The institute is viewed as one of Social Democratic Party, (Partidul Social Democrat - PSD).