Kozminska, Ula, Ruiz Allén, Nacho, “Socially-driven Urban Transformations” (2021) – Concepts of Transformation. The Nordic Association of Architectural Research (NAF/NAAR). Aarhus, Denmark
Ruiz Allén, Nacho, “From Urban Scenarios to Urban Cultures. Seeking a Narrative for the New Role of the Architect” (2020) – The City and Complexity. Life, Design and Commerce in the Built Environment. London, UK.
Ruiz Allén, Nacho, “Post-capitalism Urban Cultures. An Approximation to Social Sustainability in Architecture” (2019) – The 6th International Conference on Architecture and the Built Environment. Havana, Cuba.
Ruiz Allén, Nacho, “Disaffected Chronicle of Affected Landscapes” (2018) – 4th International Congress on Industrial Heritage. Aveiro, Portugal.
Ruiz Allén, Nacho, “Urban Cultures of Collapse” (2017) – International City Regeneration Congress. Tampere, Finland.
Ruiz Allén, Nacho, “Aprendiendo de las Cuencas / Learning from Las Cuencas” (2012-2016) – Landscape Archaeology Conference. Uppsala, Sweden – Interpret Europe Conference. Mechelen, Belgium – II International Seminar on Architecture & Industrial Heritage. Madrid, Spain – XIV International Conference of Industrial Heritage. Gijón, Spain.
Ruiz Allén, Nacho, “Collapsed City” (2014) – International Conference on Architectural Design & Criticism. Madrid, Spain.
Ruiz Allén, Nacho, “Acción mutante” (2011) – XIII International Conference of Industrial Heritage. Gijón, Spain.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“Sueños eléctricos sobre ácido y óxido” (2011) – I International Conference on Industrial Landscape Research. Sevilla, Spain.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“Estrategias de reactivación paisajística” (2010) – XII International Conference of Industrial Heritage. Gijón, Spain.
Ruiz Allén, Nacho, “Del paisaje urbano a los entornos híbridos” (2009) – IV Spanish Architects Conference. Valencia, Spain.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“Híbrido, aretórico, anorgánico y distorsionado” (2009) – Congreso Internacional de Arquitectura Sostenible. Valladolid, España.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“Acciones conceptuales en el paisaje” (2009) – XI International Conference of Industrial Heritage. Gijón, Spain.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“Nube vegetal” (2008) – III International Congress of Architecture, City and Energy. Pamplona, Spain.
Ruiz Allén, Nacho, Ruiz Esquiroz, Jose Antonio,“La ciudad oculta: estrategias cronomorfológicas en el paisaje” (2008) – European Symposium on Research in Architecture and Urbanism. Madrid, Spain.