He subsequently joined the club's senior team and won county championship medals in both the junior and intermediate grades.
[1] O'Sullivan was still active as a club player when he became involved in the administrative affairs of the Gaelic Athletic Association.
He was elected chairman of the Cloyne club in 1976, a position he held for sixteen years.
O'Sullivan also served as public relations officer of the East Cork Board before being elected chairman for a five-year term in 1992.
[2] O'Sullivan's sons, Diarmuid and Paudie, have played hurling at all levels with Cork.