Domingos Ribeiro was born in Macao in 1992. He began his musical studies with Cristina Costa at the Calouste Gulbenkian Conservatory of Music in Braga. He graduated in 2013 from the Lisbon Conservatory, in Manuel Rego’s class. He later studied at the Escuela Superior de Música Reine Sofía in Madrid with Duncan McTier and Antonio García Araque, with a scholarship from the Calouste Gulbenkian Foundation and the Albeniz Foundation. He was an academician with the Symphonieorchester des Bayerischen Rundfunks, an orchestra with which he still works, collaborating regularly with Philipp Stubenrauch, Wies de Boevé, Heinrich Braun and Alexandra Scott. He also complemented his career by attending masterclasses or private lessons with Janne Saksala, Matthew McDonald, Rinat Ibragimov, Catalin Rotaru, Petru Iuga, Edicson Ruiz, Benedikt Hubner, Gary Karr, Iouri Axenov, Wolfgang Güttler, Hans Adler, Tom Goodman and others.

He played in a number of youth orchestras, most particularly the Orchestre de Jeunes de la Méditerranée and the European Union Youth Orchestra, in both of which he was Section Leader. He has been guest reinforcement for Orquestra Sinfónica do Porto – Casa da Música in 2014, the National Orchestra of Spain in 2016 and the Budapest Festival Orchestra in 2017. In addition to these orchestras, he has also played with the Munich Philharmonic Orchestra, the Metropolitan Orchestra of Lisbon and Orquestra XXI, among others. He has worked with many conductors, including Mariss Janson, Bernard Haitink, Simon Rattle, Kirill Petrenko, Yannick Nézet-Séguin, Riccardo Muti, John Eliot Gardiner, Franz Welser-Möst, Kent Nagano, Ton Koopman, David Afkham, Krzysztof Urbański, Christian Zacharias, Alain Altinoglu, Lahav Shani, Matthias Pintscher, Christian Macelaru, Susanna Malkki, Carlo Rizzi, Peter Eötvös, Bertrand de Billy, Pietari Inkinen, Juanjo Mena, Peter Stark, Vasili Petrenko, Lawrence Foster, Michael Zilm, Brad Lubman, Michael Sanderling, Enrico Pomàrico, James Judd and Olari Elts.

As a soloist, he has performed with the Lisbon Conservatory Symphony Orchestra and with the Camerata Gareguin Arantounian. He won the first edition of the Vasco Barbosa Competition in 2015, having performed solo at the Centro Cultural de Belém, with Camerata Atlântica, and recorded for RDP – Antena 2. In 2017, he was selected for the position of Leader of the Double Bass section – 1st Soloist – in the Gulbenkian Orchestra, a title he currently holds. He is in the 2nd year of his Masters in Music Teaching at Lisbon Conservatory. He is regularly invited to direct masterclasses and chamber music projects.