She was secretary general of her party from 2001 to 2005 .
Pieper previously served as Minister of State at the Foreign Office under Foreign Minister Guido Westerwelle in the Second Cabinet Merkel ( since 28 October 2009 ) .
Pieper was secretary general of Pieper 's party from 2001 to 2005 .
Pieper previously served as Minister of State at the Foreign Office under Foreign Minister Guido Westerwelle in the Second Cabinet Merkel ( since 28 October 2009 ) .