Open Data
Policy Instrument

Open Data is still underused as a policy instrument for the public sector. Open Data enables other stakeholders to act and make decisions that in turn impact existing policy goals.

Using Data

Publishing data as Open Data is not a result in itself, only a means. Only when Open Data is used by third parties and new connections emerge between stakeholders, including government, we will count it as a result that matters.

Creating Change
Moving People

Creating change is always about people, as it is ultimately us that do the work. Open Data is only sustainable when processes, attitudes and skills are aligned well. We support you in making that transition with your organization.

Open Data needs to be issue driven, not technology driven. As key enabler for open government.


Some projects we currently work on:

  • Contextualizing Economic Impact
    Contextualizing Economic Impact
    There is much international evidence of open data impact. For PSB's to fully appreciate that translation to local contexts is needed however....
  • The Green Land Breaks the Ice!
    The Green Land Breaks the Ice!
    Satellite data and ice breakers: seeing impact of open data requires focus on specific contexts. Our micro-economic approach provides rich insights. ...
  • Data Trip Utrecht
    Data Trip Utrecht
    Learning to use Open data as routine instrument in your daily work. That is what the Data Trip delivers! ...

Working out in the open:


Paul Suijkerbuijk

Paul is the driving force behind the Open Data efforts within the Dutch public sector. For the Ministry for the Interior as project lead for the national data portal, you can easily recognize him as he is always wearing an Open Data hoodie. Paul works towards getting Dutch government data opened up, removing barriers and stimulating re-use. is the platform that brings all that together.

Call: +31 6 20 49 06 28,


Marc de Vries

Marc has a legal and economic background. In the past 15 years he was intensively involved with access to and re-use of public sector information and Open Data in all its shapes and forms. He has filled a variety of roles and worked for a broad spectrum of clients including the European Commission, Ministries, and other (local) public sector bodies across Europe.

Call: +31 6 53 89 70 02


Ton Zijlstra

Ton is a change consultant with a preference for complex knowledge and change issues resulting from the transition to a networked society. He has a background in both technology and philosophy. From early 2008 onwards Ton has worked on Open Data which he regards as an important transition challenge for the public sector, for the way it functions and how it shapes the relationship between citizens and government.

Call: +31 6 34 48 93 60


Frank Verschoor

Since 2009 Frank is using Open Data as an enabler for a more open government, which allows both better policy results and stronger networks of stakeholders. Working with municipal, regional and national government bodies, Frank quickly knows to strike the right chords to create movement. To him, like all of us, Open Data is about people, their mindset and their actions.

Call: +31 6 40 59 96 79

Company Details

The Green Land B.V.

Visiting address:
Kobaltweg 38
3542 CE Utrecht
The Netherlands

Company registration / KvK 60858184
VAT/BTW NL-854090770B01

Follow us on Twitter: @GreenLand_OD