Marianne Birthler (born 22 January 1948 in Friedrichshain, Berlin) is a German human rights advocate and politician of the Alliance '90/The Greens. From 2000 to 2011, she served as the Federal Commissioner for the Stasi Records, responsible for investigating the past crimes of the Stasi, the former communist secret police of East Germany.[1] In 2016 she was offered the nomination of the CDU/CSU and her own party for President of Germany, but after some time decided not to run; the parties would have had a majority in the Federal Convention, securing her the election.[2]