Marianne Birthler. 1948 in Berlin / Marianne Birthler is a German politician (Bündnis 90/Die Grünen). She was part of the GDR opposition and the first freely elected People’s Parliament in 1990. From 2000–2011 she was the Federal Commissioner for the Records of the State Security Service of the former German Democratic Republic. She is active in several committees, among which is the Council of the Berlin Wall Memorial.