Martin O'Neill and Shaun Maloney will remain interim Celtic managers while the club completes its search, with O'Neill available for the upcoming St Mirren match.
Damien Duff resigns - Shelbourne 'deeply saddened' by manager's departure
The decision to appoint Joey O'Brien as interim manager reflects the club's commitment to consistency and stability following Damien Duff's departure, ensuring a smooth transition during this critical period.