The Party of European Socialists (PES) brings together 34 Socialist, Social Democratic and Labour Parties of the European Union as well as Norway, all of which are full member parties There are also twelve associate and twelve observer parties, from within and beyond the EU. The PES has also 5 full member organisations: the political groups in the European Parliament and the European Committee of the Regions, the two sectorial organisations PES Women and YES (Young European Socialists), and the Foundation for European Progressive Studies (FEPS).
The President of the PES is Sergei Stanishev MEP, former Prime Minister of Bulgaria.
PES Women promotes gender equality and women’s representation both inside and outside the Party of European Socialists, and aims at ensuring that all women and men enjoy the same rights and opportunities.
PES Women is made up of representatives from all PES member parties and currently led by Zita Gurmai, Member of the Hungarian Parliament.
Young European Socialists (YES) is the umbrella organisation for socialist and social democratic youth in Europe. It provides a forum for debate, advocacy, capacity-building and exchange for all European young socialist activists.
The President of YES is the Spanish MEP Alicia Homs Ginel.
The Foundation for European Progressive Studies (FEPS) is the European think tank affiliated with the PES. It undertakes research, information and training in the fields of political, social legal and economic science, more specifically in their European and international dimension.
The President of FEPS is Maria João Rodrigues MEP (Portugal), S&D Group Vice-President and former Minister of Employment and Training in Portugal.