On 28 January 2008, she was appointed a Goodwill Ambassador for Integrity for the United Nations Office on Drugs and Crime at a United Nations anticorruption conference held in Nusa Dua, Bali.
Den 28. januar 2008 blev Janssen udnævnt som en FN-Goodwill Ambassador for Integrity ved the Second Conference of the States Parties to the United Nations Convention against Corruption, afholdt i Nusa Dua, Bali.