Business Oliver Callan & Brendan O’Connor Tackle AI, Covid & Ireland’s Social Issues on RTÉ Radio by Marcus Liu - Business Editor February 28, 2026 by Marcus Liu - Business Editor February 28, 2026 Oliver Callan’s Radio Show Balances Serious Issues with Irish ‘Craic’ Oliver Callan, host of RTÉ Radio 1’s weekday morning show, is earning praise for his ability to blend lighthearted entertainment … 0 FacebookTwitterPinterestEmail