Holger coordinates technical development and data integration for FarmSubsidy.org, a website run by Journalismfund.eu and supported by OKF Germany integrating the subsidy data of the various EU member states. The platform aims to ease both access to and investigative work on top of this highly important data set, providing spending insights on a budget share being over a third of the total budget of the European Union.

Holger lives and works in Berlin and Potsdam, is enthusiastic about open and free knowledge and has worked on various open data and transparency related projects, some of them can be found at http://holgerdrewes.info.