Sinéad O’Halloran is quickly establishing herself as one of Ireland’s most exciting young musicians. Co-founder and Artistic Director of the Ortús Chamber Music Festival, established in Cork in 2016, Sinéad is passionate about bringing together Irish and international musicians for concerts, education work and audience development in the wider community.

An avid chamber musician, Sinéad has collaborated with musicians including Tasmin Little, Barry Douglas and the Vanbrugh String Quartet. In October 2020 she made her Wigmore Hall debut at the invitation of cellist Steven Isserlis, performing alongside Anthony Marwood, Timothy Ridout and Mishka Rushdie Momen.

Sinéad has recently been appointed the new cellist of the award-winning Marmen Quartet, having been a member of the European Union Youth Orchestra (EUYO) for seven years. At the invitation of Maestro Iván Fischer, she is a regular guest with the Budapest Festival Orchestra, touring extensively and performing in some of the world’s finest concert halls, including Carnegie Hall, Philharmonie de Paris, Elbphilharmonie Hamburg and Het Concertgebouw. She has also performed with the Chamber Orchestra of Europe, Irish Chamber Orchestra, Spira Mirabilis, Georgian Chamber Orchestra and the iPalpiti Ensemble of International Laureates. She regularly plays under some of the world’s most renowned conductors, including Bernard Haitink, Gianandrea Noseda, Vladimir Ashkenazy, Jörg Widmann and Vasily Petrenko.

Sinéad has had the pleasure of working with some of the world’s most respected cellists, including Ralph Kirshbaum, Lynn Harrell, Ivan Monighetti, Colin Carr, Raphael Wallfisch, Jérôme Pernoo, Alban Gerhardt, Natalie Clein, Thomas Demenga, Rafael Rosenfeld, Hannah Roberts, Emma Ferrand, David Strange, Cyrille Lacrouts, Péter Szabo, Antonio Lysy and Mike Block.

Sinéad currently plays on a Benjamin Banks cello c. 1780 and a baroque cello and bow generously on loan from the Royal Northern College of Music.