board & office


Edward de Boer


Edward is fascinated by the dynamics within organizations. He works in the interface of organization, development, education and professional schooling. Edward is specialised in intuition, leadership and decision taking. In this field he does research and regularly performs as a keynote speaker.

Jan Huisman


Jan works as management consultant for Hasper en van der Torn. An important factor in his work is the connection between personal development and organizational development. He is project leader for the Iona initiative 'Sustainable Health Care'.

Clarine Campagne


Clarine works at the Bernard Lievegoed University, a school for personal development. Anthroposophy is an important theme in her life. She is project leader of the Iona initiative 'Anthroposophy and Society'.

Maarten Roest Crollius

board member

Maarten works at the de Waldorf School Kennemerland / Kleverpark. His work and his board membership are in line with his ideals: the individual development of mankind and the creation of space for growth.

Eleonore Sijmons

board member

Eleonore works as supervisor in the financial sector. Before that she was a lawyer. She feels connected with the visual arts and sees the Iona Stichting as a vital link between people who, in various ways, desire to contribute to positive developments in society.

Selma Steenhuisen

board member

Selma works in the interface of social entrepreneurship and education. She teaches, likes to develop new ways of teaching and wants to inspire young people to contribute to a sustainable future. For her the Iona Stichting is the ideal place to remain connected to initiatives concerning social renewal and collaboration.

Dolf van Aalderen

honorary board member

For 30 years he was director of the Iona Stichting. Because of his great merit for the foundation he was appointed honorary board member. Dolf was always inspired by applications and initiatives. The intense collaboration and shared commitment to people who want to achieve something good has stimulated him all these years.

Michiel ter Horst

honorary board member

Michiel has been a board member since 1975 and was chairman from 1997-2013. He considers the Iona Stichting as a connecting theme in his life, because of the heartfelt bonds with people with whom he may cooperate. After his formal leave as chairman in March 2013 Michiel was asked to become a honorary board member.


Ignaz Anderson


Ignaz was trained as educator. To get close to the work he strives to actually meet initiators and their projects. The diversity of demands and propositions offers a rich image of the time and the need for renewal. He finds it exciting to recognize the spark of the initiator in the essence of a project. For him, being subservient to passionate people, with a healthy dose of pragmatism, is the best thing there is'.

Frouke Flieringa

project adviser

Frouke studied history of arts at Leiden University. She is project adviser and prepares the board meetings. She also works as actress and text writer for the Amsterdam Chamber Theatre; sings world music in the Rusalki Quartet and works part-time for the Haƫlla Stichting in the Hague.

Marlies Gallenkamp

project evaluation

Marlies deals with general office management, communication and project evaluations. She is inpired by the variety of initiatives and ideas. Working for the foundation opened her eyes to the inventive alternatives people offer to create change.

Sonja Telman


Sonja is book keeper and deals with all financial matters.She also takes care of general ofice matters and acts as hostess for the visitors of the foundation and the many groups that make use of the building. She likes to work for the Iona Stichting and the fact that she can contribute to initiatives of people who strive for a better world.

Christine Geertsema


Christine is involved in the online activities of the foundation. She coordinates the switch to a new online application and relationship management system.