Dietmar Köster MEP
Member of the European Parliament
In office 1 July 2014 – 15 July 2024
Constituency	Germany
Personal details
Born	(1957-01-06) 6 January 1957 (age 67) Schwerte, Nordrhein-Westfalen, Germany
Political party	German Social Democratic Party  European Union Party of European Socialists
Alma mater	Ruhr University Bochum

Dietmar Köster (born 6 January 1957) is a German politician, social scientist and former Member of the European Parliament (MEP) representing Germany from 2014 to 2024. He is a member of the Social Democratic Party, part of the Party of European Socialists.^[1]

In 1983 Köster graduated from the Ruhr University Bochum with a degree in social science. He subsequently obtained a doctorate in 2002. From 2002 until 2011 he served as a Director of the Geragogik e.V. Research Institute. Since 2012 he has been a professor at the Dortmund Vocational College.

• Member, Committee on Civil Liberties, Justice and Home Affairs (2017–)
• Member, Committee of Inquiry to investigate alleged contraventions and maladministration in the application of Union law in relation to money laundering, tax avoidance and tax evasion (2016–)
• Member, Delegation for relations with the United States (2014–)
• Member, Committee on Legal Affairs (2014–2017)

In addition to his committee assignments, Köster serves as a member of the European Parliament Intergroup on Anti-Racism and Diversity,^[2] the European Parliament Intergroup on Western Sahara^[3] and of the European Parliament Intergroup on LGBT Rights.^[4]

• German United Services Trade Union (ver.di), Member