David O'Sullivan is one of the most popular and richest Hurler who was born on November 5, 1988 in Ballygunner, Ballygunner, Ireland.
O’Sullivan was named on the Waterford Senior Hurling Panel in 2011. He made his competitive debut against Cork in the 2011 National Hurling League. On 12 June 2011, he made his championship debut in Semple Stadium Thurles in the Munster Senior Hurling Championship against Limerick following the late withdrawal of Richie Foley. He started alongside his brother Brian on the day.
O’Sullivan played college hurling for De La Salle College in Waterford. While there, he won a Harty Cups and an All-Ireland Colleges medals in 2007 co-captaining the team alongside Craig Molony.