After his playing career ended, Sather moved into coaching and management. He was named head coach of the Oilers in 1977 and led them to four Stanley Cup championships in five years. He was also the general manager of the Oilers from 1980 to 2000, during which time the team won five Stanley Cup championships.
Sather then moved to the New York Rangers in 2000, where he served as president and general manager until 2015. During his tenure with the Rangers, the team made the playoffs in 11 of the 15 seasons, including a trip to the Stanley Cup Final in 2014.
Throughout his career, Sather was known for his ability to build championship teams. He was a master at making trades and signing free agents, and he was able to build a team that could compete for the Stanley Cup year after year. He was inducted into the Hockey Hall of Fame in 1997 and is widely regarded as one of the greatest hockey minds of all time.