Sheridan grew up in West Brighton, Staten Island and played for St. Peter's Boys High School, where he was inducted into the Hall of Fame in 2001.
In December 1973, Sheridan signed as head coach of Punch Delft of the Dutch Eredivisie.
EBBC was defeated early in the playoffs and Sheridan was replaced by Ton Boot.
In the 1981–82 FIBA European Champions Cup, he coached Den Bosch to the semifinal group stage.
In September 1974, Sheridan was hired as the head coach of the Netherlands national basketball team.