The Intel Extreme Masters (IEM) are a series of international esports tournaments held in countries around the world. These Electronic Sports League (ESL) sanctioned events, sponsored by Intel, include events in Starcraft II, , Quake Live, League of Legends and . The body that owns the league is Turtle Entertainment. The League has existed for nine seasons as of 2015. The Season Nine tournament finals took place in Katowice, Poland. Previous events have been held in Chengdu, Dubai, Hanover, and Los Angeles, among other cities.