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© Thinking Forest Foundation, 2026
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Last Modified: 25.10.2025
25 October 2025

ABNI Foundation

1. Official name

Statutory name: Stichting Thinking Forest Foundation
Also known as: Thinking Forest

2. RSIN (tax number)

853271252

3. Contact details

Visit address/postal address: Buurtweg 90, 2244 AG WASSENAAR
Telephone number: +31 (0)70 512 16 60
Email address: info@voorlinden.nl

4. Composition of the Board

J.N.A. van Caldenborgh (Chairman/Director A)
Y.N. van Caldenborgh (Director A)
J.P. Engelen (Director B)
I.B. Müller (Director B)
A.M. Nijboer (B Director)

5. Policy Plan

Developing a number of public-focused activities, including exhibitions with one or more annual crowd-pullers, as well as working with and expanding the Voorlinden Museum collection.

6. Remuneration Policy

Organizing temporary exhibitions and related activities.

7. Objective

To present the Voorlinden Museum collection and other works of art to the national and international public in the public interest, including by maintaining the Voorlinden Museum in Wassenaar and the surrounding gardens on the Voorlinden estate (open to the public).

8. Report on Activities Performed

Temporary exhibitions.

9. Financial Accountability

2024

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For general inquiries, communication and press, please reach out to: mail@thinkingforestfoundation.org

Graphic Design & Website: Studio Oblique

Thinking Forest is currently hosted by Landgoed Welna.

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Thinking Forest is made possible thanks to generous support from:

Stichting Stokroos, Ioana Stichting, Mondriaan fonds, Stichting Niemeijer Fonds, Stichting De Versterking

Thinking Forest is a cultural ANBI Foundation.

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