As a student at St Patrick's College, he also lined out with the Erin's Hope club and won a Dublin SFC title in 1932.
[2] Nestor's other honours with Galway include five Connacht Championship medals and a National Football League title.
In retirement from playing, Nestor became involved in team management and the administrative affairs of the GAA.
He served as chairman of the Galway Football Board, held numerous positions with the Galway County Board, was chairman of the Connacht Council on two occasions and also held the position of President of the Connacht Council.
[3] Nestor was also a selector with the Galway senior football team that won three successive All-Ireland Championship titles from 1964 to 1966.