Mr Fahy was active as an arbitrator, adjudicator, conciliator and mediator from 2003, mainly in construction disputes.

He served as chair of the Irish branch of CIArb in 2008/09.

Mr Fahy passed away suddenly and peacefully at home on 12 September after a “difficult illness”, according to a notice posted to rip.ie.

He will repose at Rom Massey & Sons Funeral Home, Cranford Centre, Stillorgan Road, Dublin 4 on Wednesday 17 September from 5pm to 7pm.

A funeral mass will take place on Thursday 18 September at 11am in the Church of the Sacred Heart, Donnybrook followed by burial at Shanganagh Cemetery.