Venezuelan soprano, of acclaimed international recognition obtained a degree in Music Education (Carabobo University of Venezuela) and subsequently a Master's Degree in Singing at the Koninklijk Conservatorium in Brussels, Belgium. Her teachers include Lola Linares, Isabel Palacios, as well as renowned international maestros such as Mirella Freni, Vittorio Terranova, Margarida Natividade, Vincenzo Spatola and Manny Pérez.
Most recent operatic works include, La Bohéme, conducted by Gustavo Dudamel (Venezuela); La Traviata and Turandot by Martín García and Stefan Lano, respectively (Uruguay); Carmen (Michaela) under the baton of Fabio Mechetti (Malaysia); Carmen (Frasquita) conducted by Sir Simon Rattle (Venezuela) and Gustavo Dudamel (USA); Tosca conducted by Rodolfo Saglimbeni (Venezuela). Works in other lyric genres in which she has recently participated include Verdi Requiem at the Solís Theater (Montevideo) conducted by Arturo Diemecke and in Belo Horizonte (Brazil) conducted by Fabio Mechetti, Four Last Songs (R. Strauss) and Des Knaben Wunderhorn and Symphony No. 4 (Mahler) conducted by Pablo Castellanos (Venezuela), Seven Spanish Folksongs (de Falla) and Cinco Canciones Negras (X. Montsalvatge).
Recordings to the date include Beethoven’s 9th Symphony with Deutsche Grammophon, conducted by Gustavo Dudamel (2015), the DVD of the Opera La Boheme (Mimí) with the label of Palácio das Artes de Belo Horizonte, Brazil conducted by maestro Roberto Tibiriça (2001). Mariana is a current member of the Early Music Venezuelan Foundation and Camerata de Caracas, with which she has made several recordings of Early Colonial Venezuelan Music and Latin-American Baroque Music (2005-2010).
In 2017, Mariana took part in "Falstaff" (Colombia); "Viennese Gala"(Dominican Republic); "La Traviata" and "Madame Butterfly" (Venezuela).
Next engagements include her performance of "Mimi" in La Boheme in the Teatro Colón of Buenos Aires 2018-2019 season.