We'll be delighted to answer any other questions you may have.

Do you have a question about your membership? Has your mailing address changed? Our Benefactor Services employees will be happy to provide you with all the personal assistance you require.

You are also welcome to send us your request electronically. You will find the corresponding forms below.


  • Christine Hamago

    Head of Service Center
    Telephone +41 41 939 62 62
    Fax +41 41 939 62 63

Service Center opening hours

Monday Friday:
8 am – 12 pm
1:30 – 5 pm

Have you changed addresses?

Paying current memberships