John Castleberry has been a college coach and scout.
Castleberry was assistant coach of the University of Washington in 1983-1984 and managed the Orleans Cardinals from 1982-1990. In 1986, he was named Cape Cod League Manager of the Year. He was head coach of George Washington University from 1985-1991, going 185-158-3 and going to the NCAA Tournament in 1989, the year he won Atlantic-10 Conference Coach of the Year. He coached John Flaherty at GWU; through 2012, Flaherty has had the longest MLB career of any GW alumnus. Castleberry then scouted for the Florida Marlins, Cincinnati Reds, Texas Rangers, Philadelphia Phillies and San Francisco Giants. He signed Joey Votto, Mike Nickeas and Alan Schoenberger.
Source: GW Hall of Fame