Elias David Rooney studied with Robert Irvine at the Royal Conservatoire of Scotland before furthering his studies privately with Andreas Brantelid and Natalie Clein. During his time at the RCS he gained extensive experience playing string quartets and won all available prizes for chamber music.

He has performed live on BBC Radio3, BBC Radio Ulster, BBC World Radio, RTE Lyric FM and Classic FM. Ventures outside the classical music sphere include touring and recording with Foy Vance, Belle and Sebastian, Ronan Keating, Alfie Boe and Katherine Jenkins.

Elias is currently combining a busy teaching schedule in Scotland with freelance orchestral work throughout the United Kingdom and Republic of Ireland. He has worked at English National Opera, Scottish Ballet, the Ulster Orchestra and the RTÉ Concert Orchestra. He is also a member of the Belfast Ensemble, a contemporary music ensemble bringing music and theatre to audiences throughout Europe.

Elias plays a cello by Kai-Thomas Roth.