National
Committee for Economic Developement (Honorary Chairman)
Directorate of the Charles Darwin Foundation (Member)
European Centre for Geodynamics and Seismology (Honorary President)
Galapagos Darwin Trust Luxembourg (Chairman)
Philharmonic Orchestra of Luxembourg (Joint Patron)
Organising Committee of the International Trade Fairs of Luxembourg (President)
Youth Music Luxembourg {Jeunesses Musicales Luxembourg} (Joint Patron)
International
Member of the International Olympic Committee
Member of the Mentor Foundation
National
ADA Microfinance Expertise (Patron)
Alzheimers Association of Luxembourg
Foundation of Grand Duke Henri and Grand Duchess Maria Teresa (President)
Foundation Research on AIDS (Honorary President)
Luxembourg Foundation Against Cancer (President)
Luxembourg League of Blind People (Patron)
Luxembourg League of Prevention and Medico-Social Action (Patron)
Luxembourg Red Cross (President)
LuxFlag (Honorary President)
National Nurses' Association (Patron)
Philharmonic Orchestra of Luxembourg (Joint Patron)
SOS Children's Villages (Patron)
UNICEF Luxembourg (Patron)
Youth Music Luxembourg {Jeunesses Musicales Luxembourg} (Joint Patron)
International
Goodwill Ambassador for UNESCO
UNICEF Eminent Advocate for Children
Honorary Member of the International Paralympic Committee Honorary Board