GameStop is a retail company engaged in multi-channel video games, consumer electronics and wireless services. It operates in the following markets: the United States, Canada, Australia and Europe. The US segment includes retail operations and e-commerce websites www.gamestop.com and www.thinkgeek.com, Game Informer magazine and Kongregate. The Canadian segment includes retail and e-commerce operations. The Australian segment refers to retail and e-commerce operations in Australia and New Zealand. The European segment involves retail and e-commerce operations in European countries. The company was founded by Daniel A. DeMatteo in 1996 and is headquartered in Grapevine, Texas.