Luxembourgian sculptor, architect, urban designer and theorist. He is former professor of architecture at Vienna University of Technology, Austria.
From 1993 to mid-2010 he worked in partnership with architect Christoph Kohl in a joint office based in Berlin, Germany. He is the older brother of fellow architect Léon Krier. Both are well-known representatives of New Urbanism and New Classical Architecture.
Krier studied architecture at the Technical University of Munich from 1959 to 1964. From 1973 to 1975, he was an assistant in the school of architecture at the University of Stuttgart. In 1975, he was guest professor at the École polytechnique fédérale de Lausanne, in Switzerland.