Meet the team All staff Conductors Trustees Campaign Committee Ambassadors & Honorary Fellows Mariana Rosas | Conductor, National Youth Choir (9-15 Years) Mariana Rosas is an Argentinian conductor based in the UK and Chorus Director of the London Symphony Chorus. In that role she has collaborated with Sir Antonio Pappano, Giannandrea Noseda, Michael Tilson Thomas, Yannick Nézet-Séguin, Nathalie Stutzmann, Susanna Mälkki, Teodor Currentzis, Gustavo Dudamel, and Dr André J. Thomas. She has worked with the Royal Opera House, Glyndebourne, Royal College of Music, Birmingham Opera Company, London Youth Choirs, Rundfunkchor Berlin, BBC Symphony Chorus, City of Birmingham Symphony Orchestra Chorus, SWR Symphony Orchestra (Stuttgart), WDR Rundfunkchor (Cologne), London Voices and the West Midlands Inclusive Choir. Also, she holds teaching and conducting positions at the University of Birmingham. Mariana was educated in Italy and Argentina, where she studied at the National University of Arts of Argentina and the Conservatoire of the City of Buenos Aires “Manuel de Falla”. In 2018 she moved to the UK to study at the University of Birmingham with Simon Halsey CBE. Prior to her move to the UK, she was Assistant Professor of Choral Practice at the National University of Arts in Buenos Aires, and has worked as a guest conductor in Denmark, Canada, Italy, and Switzerland. She enjoys working with singers of all abilities and ages and is engaged regularly as a guest conductor with amateurs and professionals alike. She has been working with National Youth Choirs since 2021 and is excited to join the organisation on a more regular basis as one of the conductors of National Youth Choir (9-15 Years). I have been working with National Youth Choir since 2021 and I am beyond excited to join the team for the 9-15 choir. I have thoroughly enjoyed working with the National Youth Choir singers and have been in awe of the high musical standards. I cannot wait to see what National Youth Choir's future holds and I am thrilled to be a part of this next stage. Manage Cookie Preferences