1974-1978     KJG (catholic youth organization): Leader of a youth group at the parish of St. Joseph, Baden-Baden

1976-1978     Stadtjugendring Baden-Baden: Member of the board

1978              German Forces: Spokesman of the ranks

Since 2004    Holy See: Papal knight (Saint Sylvester)

2004 – 2007  UNESCO, Paris: Constant Representative of Vanuatu

2004 – 2014  Malteser Hilfsdienst: President of Starnberg delegation

2005 – 2007  IHK Starnberg: Member of the board

Since 2013    Papal Philosophical-Theological University Benedict XVI., Heiligenkreuz, Austria: Honorary professor