The company sells corporate sponsorships, merchandise, and streaming rights for its esports league.[1] In 2015, investors bought stakes in teams and began building their own squads.[3] Among the team owners in Riot Games' leagues are the owners of the Washington Wizards, Cleveland Cavaliers, Houston Rockets, Golden State Warriors, Philadelphia 76ers, Los Angeles Dodgers, AOL co-founder Steve Case, and life coach Tony Robbins.[3][43][44] " Inc. " cited the growth of the leagues and high-profile ownership as part of its reasoning for making Riot Games its 2016 Company of the Year.[3] Following debates over whether pro players and coaches should have a greater share of Riot Games' esports revenue and concerns raised about the company making in-game changes prior to matches, the company issued an Open letter in 2016 promising higher revenue shares and more collaboration with professional teams.[3] In 2017, Riot Games held the " League of Legends " World Championship in China, with the finals taking place in Beijing.[4] The same year, the company announced it would franchise its ten-team North American " League of Legends " Championship Series, which cost at least 10 million us dollar to enter.[45]