The Portland Trail Blazers, commonly known as the Blazers, are an American professional basketball team based in Portland, Oregon. They play in the Northwest Division of the Western Conference of the National Basketball Association (NBA). The franchise, based in Portland throughout its existence, entered the league in 1970, and is currently the only major league franchise in Oregon. Entrepreneur and Microsoft co-founder Paul Allen has owned the team since 1988. The current president is Larry Miller, the general manager is Kevin Pritchard and the head coach is Nate McMillan. The Trail Blazers' NBA Development League (NBDL) affiliate is the Idaho Stampede. From 1977 through 1995, the team sold out 814 consecutive home games, the longest such streak in American professional sports. They originally played their home games in the Memorial Coliseum, before moving to the Rose Garden Arena in 1995.