Allan Kardec Cardoso Teixeira, known as Dek, is a Brazilian artist and architect born in 1955 in Guapó, Goiás. He earned a degree in Architecture and Urbanism from the Pontifical Catholic University of Goiás in 1979, simultaneously pursuing careers in both architecture and the visual arts. During the 1980s, Dek gained recognition through regional and national exhibitions across Brazil, as well as international shows in Japan, the Netherlands, France, and Portugal. His work received numerous accolades, including awards from Vasp, Sanbra, and the Contemporary Salon Art Show in São Paulo.

In 1990, Dek was honored with the Henrique Santillo Award from the Governor of Goiás and received a special jury mention, along with a travel award to Paris for the Goiás Biennale. Expanding his presence internationally, he continued exhibiting in Italy and the United States. His work reflects a unique synthesis of architectural structure and artistic expression, demonstrating a career that bridges disciplines and cultures while maintaining a strong commitment to innovation, form, and global artistic dialogue.