Mariana Ozuna Castañeda holds a PhD in Literature and is a tenured professor in the Faculty of Philosophy and Letters at the National Autonomous University of Mexico (UNAM), teaching in the Hispanic Language and Literature program. She is a member of the National System of Researchers (SNI), Level II. She coordinated the Hispanic Language and Literature program from 2017 to 2021.

She specializes in the study of 19th-century Mexican literature. Her publications include *Todo el trabajo es empezar* (All Work Is to Begin), an anthology of Manuel Payno's work published by the Fondo de Cultura Económica (Economic Culture Fund), and *La forma de las ideas. Géneros literarios en la folletería. Nueva España 1808-1820* (The Form of Ideas: Literary Genres in Pamphlets. New Spain 1808-1820), published in Madrid by Trama Editorial in 2019. She has participated in interdisciplinary programs such as the Master's Program in Editorial Design and Production at the Autonomous Metropolitan University (UAM) and the *Espaços Narrados* (Narrated Spaces) Seminar at the Faculty of Architecture and Urbanism of the University of São Paulo.