The Office for Metropolitan Architecture (OMA) is a leading international partnership practicing contemporary architecture, urbanism, and cultural analysis.

The office is lead by six partners: Rem Koolhaas, Ole Scheeren, Ellen van Loon, Reinier de Graaf, Floris Alkemade and Managing Director Victor van der Chijs.

To accommodate a wide range and diversity of projects throughout the world, OMA maintains offices in Europe (OMA Rotterdam), North America (OMA New York) and Asia (OMA Beijing).