Remment Lucas "Rem" Koolhaas (; born as Remko L. Olhaas, 17 November 1944 in Rotterdam) is a Dutch architect, architectural theorist, urbanist and Professor in Practice of Architecture and Urban Design at the Graduate School of Design at Harvard University. Koolhaas went to the Architectural Association School of Architecture in London and the Cornell University in Ithaca, New York. Koolhaas is the founding partner of OMA, and of its research-oriented counterpart AMO based in Rotterdam, the Netherlands. In 2005, he co-founded "Volume Magazine" together with Mark Wigley and Ole Bouman.