Reinier de Graaf joined OMA in 1996. He is responsible for building and master planning projects in Europe, Russia, and the Middle East, including Holland Green in London (completed 2016), the new Timmerhuis in Rotterdam (completed 2015), G-Star Headquarters in Amsterdam (completed 2014), De Rotterdam (completed 2013), and the Norra Tornen residential towers in Stockholm. In 2002, he co-founded AMO, the think tank of OMA, and produced The Image of Europe, an exhibition illustrating the history of the European Union. During his speech at Africa Works!, Mr. de Graaf will be addressing the subject of housing.