Founded in 2017, OverActive Media Group combines team ownership with audience engagement to deliver esports and video game entertainment experiences to fans worldwide. The company operates an integrated portfolio of esports teams and is involved in delivering sports, media, and entertainment products focused on esports, video games, content, culture, and live and online events. Its segments are Team Operations and Business Operations, with the former generating the majority of revenue. OverActive Media Group owns the Toronto Defiant of the Overwatch League and the Toronto Ultra of the Call of Duty League in North America, and the Spain-based MAD Lions organization with teams in League of Legends European Championship and Counter-Strike Global Offensive in Europe. The company is also a founding equity partner of B Site Inc. and a franchise holder in the Flashpoint CSGO league. OverActive Media Group is headquartered in Toronto, Canada and owns a live events division, OAM LIVE.