Krista Sager is a German politician of the Alliance 90/The Greens party who served as party co-leader between 1994 and 1996, and co-leader of the Greens group in the Bundestag between 2002 and 2005.

Jürgen Trittin is a German Green politician who served as Minister for the Environment, Nature Conservation and Nuclear Safety in the government of Chancellor Gerhard Schröder from 1998 to 2005.