Valeria Mignaco began her singing studies in Argentina and obtained her classical and baroque singing Masters degree at the Royal Conservatory in The Hague, Holland. She participated in workshops and masterclasses with Gabriel Garrido, Gustav Leonhardt, Richard Egarr, Elly Ameling, Jill Feldman, Carolyn Watkinson and Margreet Honig.
Finalist of the International Baroque Singing Competition of the Chateau de Chimay 2004 and the International Young Artists Presentation in Anvers (with ensemble Via Artis), she also received an Honorable Mention at the Soloists Competition of the Flemish Early Music Festival in Brugge 2005. Her duo with Alfonso Marín had a Special Mention at the Alte Musik Treff, Berlin 2005.
She has perfomed as soloist amongst others with Bachkoor Holland and Concertgebouw Kamerorkest, Cappella Amsterdam, Monteverdikoor Utrecht, Orquesta de Cámara de Rosario and Pro Música Rosario under the direction of Gabriel Garrido, Paul van Nevel, Paul McCreesh, Daniel Reuss, Charles de Wolff, Jan Willem de Vriend, Daan Admiraal and Cristián Hernández Larguía .She also collaborates with well-known vocal ensembles like Cappella Amsterdam, Huelgas ensemble and Deutsche Kammerchor.
With ensemble Via Artis she participated in the Caixa Forum Early Music Festival (Barcelona 2005); with Alfonso Marín she performed in the Burgos Early Music Festival 2005, Festival A-de-vant-garde Munchen (2005) and Leicester Early Music Festival (2006), giving many concerts in Holland, Spain, Belgium, England, Portugal, Switzerland and Argentina.