Born in 1946 in Luxembourg City, Leon Krier is an architecture and urbanism consultant as well as a designer, author, and teacher. He is renowned for his pioneering role in promoting the technological, ecological, and social rationality and modernity of traditional urbanism and architecture. He studied at Stuttgart University in 1967, then left to work with James Stirling from 1968 to 1974. Since then he has combined an international urban planning and architectural practice, including projects in Mexico, Guatemala, the US, England, France, Germany, Holland, Belgium, Romania, Cyprus, Italy, and Spain, with writing and teaching. He has taught at the Architectural Association and the Royal College of Arts in London and at the Universities of Princeton, Virginia, Notre Dame, and Yale, and has lectured at numerous institutions. From 1987 Krier was advisor to the Prince of Wales, now King Charles III, in charge of master-planning and architectural coordination at Poundbury, the Duchy of Cornwall’s urban development in Dorset. Also in England Krier has been responsible since 2018 for the Fawley Waterside Masterplan. Other outstanding model new-town developments of his are: in Belgium, Heulebrug, built according to his 2000 masterplan in collaboration with DPZ; and in Guatemala, with Estudio Urbano, the developments of Paseo Cayala, since 2003, El Socorro, since 2015, and Nogales, since 2020. Currently Krier is starting two new urban projects in Virginia and Colorado. He has also worked in parallel as an industrial designer for Giorgetti and Assa Abloy since 1990.