Rem Koolhaas is a Dutch architect, urban planner, and theorist known for his innovative and often unconventional designs. He founded the architectural firm OMA (Office for Metropolitan Architecture) in 1975, which has completed numerous high-profile projects worldwide. Koolhaas's work often explores the relationship between architecture and urbanism, emphasizing the complexities of modern cities. Koolhaas is also a prominent writer and educator, having authored influential books such as Delirious New York and S,M,L,XL. His ideas challenge traditional architectural norms and encourage new ways of thinking about space and society. He has received several prestigious awards, including the Pritzker Prize in 2000.