Dante Ranieri was born in Buenos Aires. At the age of 16, he received his degree of Superior Professor of piano and began his singing studies with Italian tenor Emilio Livi. In 1969 he made his debut at La Plata´s Teatro Argentino, in the local premiere of Puccini´s Manon Lescaut. Since that moment, he has been permanently invited by that theater and he also tours the country with its company. At the Teatro Argentino, he interpreted roles in operas such as The Barber of Seville, La Traviata, Rigoletto, Un ballo in maschera, Don Carlos, La Boheme, Lucia di Lammermoor, L'Elisir d'amore, Manon and in operettas such as The Count of Luxembourg and The Bat. It was with The Bat that he made his debut at the Teatro Colón and then entered its company in 1974. Today he is still a member of that company. His career at the Teatro Colón has been a major one. He performed in Salome, Die Frau ohne Schatten, Boris Godunov, La Finta Giardiniera, L'Ajo nell imbarazzo, La Sonnambula, La Traviata, Rigoletto, Lucia di Lammermoor, Roméo et Juliette, Manon, Le Nozze di Figaro, and L'Elisir d'amore, Il turco in Italia, Amelia al ballo, The tales of Hoffmann, etc. He appeared in all the provinces of the country and performed for prestigious musical entities such as Amigos de la Musica, The Wagnerian Association, The Argentinian Mozarteum, Buenos Aires Festivals , and ARS Musicalis. He also appeared in Verdi´s I Masnadieri at the Teatro Coliseo in Buenos Aires. As regards to his work abroad, he performed in Bolivia, Uruguay, Paraguay, Chile, Brazil, Venezuela, the United States of America ( at the American Opera Center of Lincoln Center, New York) and Spain.|
In 1984 the Verdi Association in Buenos Aires awarded him the prize of best tenor of the season for his work in Massenet's Manon. His repertoire is composed of over two hundred pieces in which operas, operettas, zarzuelas, oratorios and chamber music are included. With reference to chamber music, he devoted himself to reviving several composers' little known titles. In 1986 he recorded "Tosti inedito" ("Never played Tosti), an album containing unknown songs by this Italian composer.
Nowadays, he is preparing a new recording. He sang besides artist of the importance of Brigit Nilsson, Eva Marton, Rosalind Elias, Ruth Welting, Mara Zampieri, Stefania Toszysca, Mirtha Garbarini, Ana Maria Gonzalez, Marta Colalillo, Cristina Carlín, Elisa Brex, Angel Matiello, Victor de Narké, Sesto Bruscantini, Rolando Panerai, Nicolai Ghiuselev, Pablo Elvira, Renato Cesari, Enzo Dara, and Alexander Vedernikov. He sang under conductors of the stature of Francesco Molinari Pradelli, Peter Maag. Marek Janowsky, Jaques Pernoo, Marcel Conraud, Romano Gandolfi, Laszlo Halazz, Juan Emilio Martini, Guillermo Brizzio and Juan Carlos Zorzi. As a professor, he taught repertoire at the Superior Institute of Art of the Teatro Colón. In 1990, he was in Taiwan teaching a course of repertoire and interpreting the Italian and French repertoire and went on a concert tour. In 1992, he founded and directed " Medellin's musical April" and was in charge of the above mentioned courses at Antioquia University.