Reinier de Graaf is a Dutch architect, architectural theorist, urbanist and writer. He is a partner in the Office for Metropolitan Architecture (OMA), and author of the books Four Walls and a Roof: The Complex Nature of a Simple Profession and The Masterplan.

Strelka Institute for Media, Architecture and Design is a non-profit international educational project, founded in 2009 and located in Moscow. Strelka incorporates an education programme on urbanism and urban development aimed at professionals with a higher education, a public summer programme, the Strelka Press publishing house, and KB Strelka, the consulting arm of the Institute. Strelka has been listed among the top-100 best architecture schools in 2014, according to Domus magazine.