The GBA Executive Committee operates in a voluntary capacity for a three year term. Committee members are drawn from the Boards of Governors of their constituent schools and meet on a voluntary basis every 4-6 weeks.
Co-opted members are added as and when required, bringing additional professional skills, experience and expertise to the work of the board.
The officers of the Executive including the Chair (serving two years) Vice-Chairs (incoming and outgoing) and Treasurer, is advised and serviced by a Director who also performs the day-to-day functions of the organisation.
| Chairperson | Jacqueline Weir | Belfast Royal Academy |
| Vice Chairperson | Leo O’Reilly | Our Lady and St Patrick’s College, Knock |
| Vice Chairperson | Terry McDaid | Aquinas Diocesan Grammar School |
| Treasurer | Teresa Campbell | |
| Members | Stephen Black | Ballymena Academy |
| Professor John Gillespie | Dalriada School | |
| Stephen Gowdy | Royal Belfast Academical Institution | |
| Ronnie Hassard | Campbell College | |
| Ian Henderson | Bangor Grammar School | |
| Sir Gerry Loughran | St Malachy’s College | |
| Dermot Mullan | ||
| Scott Naismith | Methodist College Belfast | |
| Vincent O’Connell | St Louis Grammar School, Ballymena | |
| Ian Noad | Strathearn School | |
| Dr Clare Ryan | Lumen Christi College | |
| Mary Lou Winchborne | ||
| Chief Executive Officer | Nuala O’Neill | |
| Schools’ Support Officer | Dr Helen McNally | |