Office for Metropolitan Architecture

The Office for Metropolitan Architecture (OMA) is an international architectural firm with offices in Rotterdam, New York, Hong Kong, Doha, and Australia. The firm is currently led by eight partners - Rem Koolhaas, Reinier de Graaf, Ellen van Loon, Shohei Shigematsu, Iyad Alsaka, Chris van Duijn, Jason Long, and managing partner and architect David Gianotten.

Source: Wikipedia — Office for Metropolitan Architecture (CC BY-SA 4.0)