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.[4]
Personal life and death
Nestor was the son of J. J. Nestor, the first chairman of the Galway County Board.[5] He worked as a national school teacher, eventually rising to the position of principal. Nestor died at Galway Regional Hospital after a period of ill health on 8 February 1981.[6] He was posthumously named on the Galway Football Team of the Millennium.[7]