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Conference fee

The conference fee includes:

  • Entrance to all sessions

  • Catering (lunch, coffee and tea) throughout official conference day programme (including board and regional meetings and General Assembly)

  • Local transportation throughout the programme

  • Welcoming package

  • Welcome reception hosted by the municipality of The Hague at the new cultural nexus Amare on Monday, May 13, 2024

  • Dinner at Atrium City Hall on Tuesday, May 14, 2024

  • Gala dinner at Kunstmuseum on Thursday, May 16, 2024

  • Reading materials which will be sent to registered participants 1 week prior to the event

Tier 1*

Annual budget over 

6 million US dollars

Tier 2*

Annual budget between 1.5 and 6 million US dollars

Tier 3*

Annual budget under 1.5 million US dollars

Early bird rate Until January 31, 2023

870 euro

770 euro

670 euro

Regular rate Until May 3rd, 2024

970 euro

870 euro

770 euro

After May 3 2024, *participation on request.

*970 euro

*870 euro

*770 euro

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  • *Tier segmentation based on IOI  numbers of annual budgets of affiliated organization

  •  All fees are in euro’s and include 21% VAT

  • Conference fee does not include hotel accommodation and travel expenses

Please note:

May 12th and May 13th of the World Conference are for IOI Executive Committee and World Board members only. May 14th (General Assembly) is for IOI Members only.


Unfortunately, it is no longer possible to register for the conference. If you have any questions, please email

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