Career
He is published in North America by Wake Forest University Press. O'Callaghan is a former director of the Dún Laoghaire–Rathdown Poetry Now Festival and was shortlisted for the 2005 Poetry Now Award. He is also a former co-holder of the Heimbold Chair of Irish Studies at Villanova University.
He currently lectures part-time both at Sheffield Hallam University in the UK and at Wake Forest University in North Carolina. He was awarded the 2007 Bess Hokin prize by Poetry magazine. He lives in Manchester.
