Constituency:

• Member of the Christian Democratic Union (CDU) (since 1987)
• Substitute Chairwoman of the CDU of the region Württemberg-Hohenzollern (since 1993)
• Substitute chairwoman of the district council of the CDU in Biberach (1994-2011)
• Member of the federal expert committee for agricultural politics (1994-2004)
• Member of the Baden-Württemberg CDU Executive Committee (1995-2005)
• Member of the Biberach district council (since 1999)
• Chairwoman of the district committee for agriculture (since June 2006)
• Substitute chairwoman of the Baden-Württemberg Committee for Agriculture (since February 2007)

European Parliament:

• Member of the Bureau of the EPP-ED group (2004-2009)
• Substitute chairwoman of the CDU/CSU Group in the European Parliament
• Member of the Committee on Agriculture and Rural Development (AGRI)
• Member of the Subcommittee on Human Rights (DROI)
• Substitute Member of the Committee on Foreign Affairs (AFET)
• Substitute chairwoman of the Delegation for EU relations with Canada
• Substitute Member of the Delegation to the EU-Kazakhstan, EU-Kyrgyzstan and EU-Uzbekistan Parliamentary Cooperation Committees, and for relations with Tajikistan, Turkmenistan and Mongolia
• Vice-president of the Intergroup "Animal Welfare"

Miscellaneous:

• Chairwoman of the Independent Catholic Schools Foundation, Rottenburg-Stuttgart Diocese (since 2001)
• Chairwoman of the promotional association "'Unità dei Cristiani' - Unity of Christians"
• Former chairwoman for the "Landesschulwerk der Diözese Rottenburg-Stuttgart"
• President of the parent's association for a catholic elementary school, primary modern school and secondary modern school for 9 years
• Founding member of the "Trägerverein 95. Deutscher Katholikentag Ulm"
• formerly active member of the "Landfrauenverband Biberach-Sigmaringen"
• Chairwoman of the "Obst- und Gartenbauverein Stafflangen"
• Chairwoman of the promotional association "Stafflangen sports club"  
• Member of the promotional association "Swabian dialect" 
• Member of the non-party Europe-Union Germany (Europa-Union Deutschland, EUD), Regional Association Baden-Württemberg (EUD BW)