On November 16, 2010, Bannister signed for the
Hull Stingrays in the British
Elite Ice Hockey League as a player and assistant coach. On July 29, 2011, Bannister was announced as a player and head coach of the
Braehead Clan in the British Elite Ice Hockey League for the
2011–12 season, replacing
Bruce Richardson. On June 2, 2012, Bannister was announced as an assistant coach for the OHL's
Owen Sound Attack, which effectively ended his playing career. On July 10, 2015, he left the assistant coaching job in Owen Sound to become a head coach for the
Sault Ste. Marie Greyhounds. On June 5, 2018, he was hired as the head coach of the
San Antonio Rampage in the
American Hockey League (AHL), the top development team for the
St. Louis Blues of the
National Hockey League (NHL). In 2020, after the Rampage were sold and moved to southern Nevada, Bannister became head coach of the new Blues' affiliate in
Springfield, Massachusetts. On December 12, 2023, Bannister was named interim head coach of the St. Louis Blues of the NHL following the firing of
Craig Berube. On May 8, 2024, following the
2023–24 season, Bannister was promoted to permanent head coach of the Blues, signing a two-year contract. On November 24, 2024, the Blues fired Bannister after the team started the
2024–25 season with a 9–12–1 record. ==Career statistics==