Education
O'Driscoll attended Presentation Brothers College, Cork and was in the same class as Peter Stringer.
O'Driscoll attended Presentation Brothers College, Cork and was in the same class as Peter Stringer.
He was an integral, senior player for , and captained the province numerous times, particularly during the 2008–09 season. He also played GAA at underage level with Éire Óg in Cork. He made his debut in 1998 against Neath.
During his professional career, O'Driscoll has also played for USA Perpignan in France. Mostly a second-row in his time in , he often played in the back-row in France. It was announced on 17 April 2012 that O'Driscoll would be retiring from rugby at the end of the 2011–12 season.
His last game for the province was the away league play-off semi-final against Ospreys on 11 May 2012, which lost 45-10. It was announced on 10 April 2014 that O'Driscoll would be joining 's coaching staff from 1 July 2014 as a Technical Advisor. O'Driscoll will also be responsible for A.
His international debut came as a replacement against Romania in 2001.
He was selected in 's 2011 World Cup training squad for the warm-up tests in August, but was not selected in the final 30-man squad for the World Cup.
He returned to in 2005 and became an important member of the squad. He was a member of 's 2009 Grand Slam winning team.