Gildo Seisdedos is a Spanish economist and lawyer who specializes in city marketing and smart cities. He is a professor at the IE Business School, lecturer and editor in media and international publications. He has published several books, highlighting Cómo gestionar las ciudades del siglo XXI (Managing 21st-century cities), published in Spanish by Prentice Hall.

As director of the Forum for Urban Management, Seisdedos actively collaborated in Madrid bid for the 2016 Summer Olympics.^[1] Segovia, Cuenca, Zaragoza, Nuevo Hamburgo (Brasil), Barcelona, Burgos,^[2] Bogotá, Cuenca (Ecuador), Almería, Irún, Viena and Omán, where he participated in the planning project of the Sultanate.^[3]

His book Cómo gestionar las ciudades del siglo XXI (Managing 21st-century cities) (2007) published in Spanish, introduced a new methodology, the UDS or urban development strategy.^[2]

Seisdedos is a member of the editorial board of the Journal of Town and City Management^[4] and Sustainable City magazine, where he is a regular contributor. He is a regular collaborator at Design Convergence Urbanism, Member of the International Association of Planners (ISOCARP) with consultative status at UNESCO and belongs to the Spanish area of the Habitat Committee.^{[citation needed]}

• SEISDEDOS, G. Cómo gestionar las ciudades del siglo XXI. Introducción de A. Ruiz Gallardón. Madrid: Prentice Hall (Financial Times), 2007. 204 p. ISBN 978-8483223567.
• _____, LOPEZ DE URALDE, I., MIRABET, V., Diccionario abreviado de términos de branding. Barcelona: Coleman, 2009. 180 p. ISBN 978-84-613-6037-6.
• _____, y MATEO, C. Different Branding Strategies from the use of the Territory of Origin by Commercial Brands: the Brand-Territory Matrix. Journal of Town & City Management, 2010, Vol.1(2): 175 - 186. bestplaceinstytut.org
• _____, COCA-STEFANIAK, A., et al. International trends in city management - views from around the editorial board. Journal of Town & City Management, 2010, Vol.1(1): 8 - 30.
• SEISDEDOS, G. & VAGGIONE, P. Sex and the city: city branding in Spanish cities. In GO, F. M. & GROVES, R. (ed.) International Place Branding Yearbook 2012: managing smart growth and sustainability. Palgrave Macmillan, 2012, p .81-92. ISBN 9780230279520
• _____, & MATEO, C. From Madrid Global to global Madrid, In ASHWORTH, G. y KAVARATZIS, M. (Eds.). Towards effective place brand management. Branding European cities and regions. London: Edward Elgar, 2010, p.: 69–88. ISBN 978 1 84844 242 9 e-elgar.com