Career

Born in , County , O'Keeffe first excelled at hurling during his schooling at. He arrive don the inter-county scene at the age of sixteen before later joining the under-21 side. He made his senior debut during the 2011 league.

At club level O'Keeffe is a three-time championship medallist with. Player Dr.

Achievements

• De La Salle College Dr. Croke Cup (2): 2007, 2008 Harty Cup (2): 2007, 2008 Waterford Institute of Technology Fitzgibbon Cup (1): 2014 Ballygunner Waterford Senior Hurling Championship (3): 2009, 2011, 2014 Waterford National Hurling League (1): 2015 Munster Minor Hurling Championship (1): 2009.