Contact us

  • If you are looking for a matched donor for a family member, WMDA is the wrong organisation to contact. We recommend to find a transplant centre that can assist you in the search to a matched donor.
  • Leave your question or message for WMDA here.
World Marrow Donor Association (WMDA) 
Schipholweg 57, 1st floor
2316 ZL Leiden,
The Netherlands
+31 88 505 7900


Address: Marktplein, Postbus 42, 2130 AA Hoofddorp, the Netherlands

IBAN: NL61ABNA0421708514

Chamber of Commerce

VAT number
NL803 974 917 B02

Memorandum of Association

The WMDA office is closed on:
New Year’s Day: January 1
Easter Monday
April 27: King’s Day
Ascension Day
Pentecost/Whit Monday
Christmas Eve and Christmas Day: December 24 (from 16:00CET), 25 and 26