- Official Name
- European Federation of Williams Syndrome
- Address
- Tervuursesteenweg 30, 3001 Heverlee, Belgium
- Website
- https://eurowilliams.org
- Registration number
- 867 382 710
- Board members
| Chair | Mette Grentoft |
| Vice-chair | Lenka Hrnčířová |
| Secretary | Paul Pyck |
| Treasurer | Twan de Kruijf |
| Coordinator for support of new and small associations | Sabina Halupka-Rešetar |
| Public affairs and profile raising at the European level | Pier Francesco Zazo |
- Patron
- Duke Leopoldo Torlonia
- Click here to get in contact
- FEWS Facebook page
- Bank Account
- European Federation of Williams Syndrome
- IBAN: BE30 0018 0558 8211
- BIC: GEBABEBB