Luis Callejas founded LCLA office, an architecture and landscape architecture practice based in Oslo, Norway. Callejas is professor at the Oslo School of Architecture and Design and visiting professor in landscape architecture at the Harvard Graduate School of Design. Previous visiting appointments include the Louis Kahn assistant professorship at Yale in 2020, lecturer in architecture and landscape architecture at Harvard GSD (2012-2016), visiting professor at the Escola da Cidade in Sao Paulo, visiting professor in Urban Design at the University of Toronto, and visiting professor in architecture at the Porto Academy. Callejas has been a frequent lecturer and guest critic at ETH Zurich, USI Mendridisio, and MIT, among others. His completed works includes the exterior areas for the renovation of the former US embassy designed by Eero Saarinen in Oslo, the Aquatic Sports Center for the IX South American games in Medellin and the renovation of the main stadium in Bogota.