Career
A doctor by profession, he is a sports injuries consultant. O'Neill is most renowned in recent years for his period as manager of the Dublin Senior football panel. He managed Dublin to their 22nd all-Ireland in 1995 against Tyrone.
O'Neill had been a selector for the Dublin Senior Football Team before he was appointed as the Senior Manager. O'Neill had a very successful career as a player. O'Neill has lifted the Sam Maguire Cup on two occasions for Dublin, in 1976 and 1977.
