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Baerbock was a member of the party council of Alliance 90/The Greens from 2012 to 2015. She was elected to the position at the party's federal congress in 2012 and served until 2015, when she was replaced by Katrin Göring-Eckardt. As a member of the party council, Baerbock was involved in the development of the party's policy platform and in the selection of candidates for election.