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Contact WOSD

We are happy to answer your questions.
However, if you want a quick answer,
ask the right person

General questions

Gerard Oijnhausen
For general questions, visits, complaints, etc.

Educational questions

Fred Siebers
For questions about courses, standards and procedures, etc.

Financial questions

Marije Oijnhausen
For questions about invoices, payments, membership, etc.

WOSD Head office:

Visiting address (by appointment):
Wilhelminastraat 2
9611 JW Sappemeer
The Netherlands

Postal address:
Rozentuin 1
7943 JZ Meppel
The Netherlands


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