Ole von Beust is a former German politician who was First Mayor of Hamburg from 31 October 2001 to 25 August 2010, serving as President of the Bundesrat from 1 November 2007 on for one year. He was succeeded as mayor by Christoph Ahlhaus.

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.