|Prior to joining the Canucks, Sullivan was an assistant on Tortorella's staff with the New York Rangers and, before that, was again an assistant for Tortorella with the Tampa Bay Lightning.
Sullivan also served as head coach for the U.S. Men’s team at the 2007 World Championships in Russia. He also was an assistant coach for the U.S. Men’s Olympic Team at the 2006 Olympic Games in Turin, Italy.
Previously, Sullivan spent two years as head coach of the Boston Bruins. In his first season in 2003-04, Sullivan led the team to the Northeast Division title. In 164 regular season games as a head coach he had a record of 70-56-15-23 with a 3-4 playoff record.
Sullivan joined Boston after spending one season as head coach of their top American Hockey League affiliate in Providence, Rhode Island. Following his stint with Providence he was named the assistant coach of the NHL’s Bruins under then interim head coach Mike O’Connell.