Jacqueline Cramer


Jacqueline Cramer is connected to the University of Utrecht as a strategically advisor of the Utrecht Sustainability Institute (USI) and as a Professor of Sustainable Innovations. She was Minister of Housing, Spacial Planning and Environment from 2007 to 2010. Throughout her career she was active in (inter) national advisory boards of the government, industry and non-profit organisations (e.g. crown member of the Dutch Social-Economic Council, member of the Advisory Board of the World Wide Fund for Nature (WWF)/Netherlands and member of the non-executive board of various companies). Presently, she is engaged in various bottom-up initiatives to enhance the implementation of sustainability.

Charles de Klerk


Charles de Klerk used to work as Director of Marketing & Communication at SITA Northern Europe Waste Services. He currently invests in real estate & multiple start-ups and works as a private consultant.

Dieter Croese


Dieter Croese has been Managing Partner Corporate Finance of Deloitte Consultants, The Netherlands, Director Financial Affairs of the Hollandsche Beton Groep N.V. en Part time Full Professor in Financial Management at the Vrije Universiteit, Amsterdam. He is also Treasurer and Member of the Board of StadsdorpZuid, Amsterdam, a society specializing in the field of active ageing of senior citizens.

Freek Stoové

Boardmember Legal Affairs

Freek Stoové is head of legal affairs at the VPRO. He also works one day a week at ABC Legal, a law firm specialising in media and entertainment law. Freek offers assistance to journalists and broadcasters and handles cases in the field of unlawful media publications, contract law and intellectual property law.

Peter Keijzer

Board member Media & Communication

Peter Keijzer works for Lubbers & De Jong (L&DJ) as a senior advisor and managing director. L&DJ is a PR and communications bureau for companies with a strong technology and innovation component. Peter Keijzer and L&DJ advise and guide PS in the field of PR and marketing.

Betteke de Gaay Fortman

Board member

Betteke de Gaay Fortman is specialised n the management of non-profit organisations. Since 2007, she has been the director of the Karuna Foundation, an organisation that focuses on the Nepalese health care system. Before that, she was the international director of the De Waal Foundation. At the moment she is, besides being a board member of PSF,  also board member of the Dutch Coalition on Disability and Development (DCDD).

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