SoftBank Group Corp. is a holding company that engages in the management of its group companies which provides information technology and telecommunication services. It operates through the following segments: Domestic Telecommunications, Sprint, Yahoo Japan, Distribution, Arm, SoftBank Vision Fund (SFV), and Others. The Domestic Telecommunications segment provides mobile communication, broadband, and telecom services in Japan. The Sprint segment provides mobile communication services in the United States. It also sells and leases mobile devices. The Yahoo Japan segment engages internet advertising, e-commerce, and membership services. The Distribution segment distributes mobile devices overseas. It also sells personal computer (PC) software, peripherals, and mobile devices accessories in Japan. The Arm segment designs microprocessors, physical intellectual property and related technology and software. The SFV segment manages investment activities through the SoftBank Vision Fund. The Others segment includes robotics and the Fukuoka SoftBank HAWKS related business. The company was founded by Masayoshi Son on September 3, 1981 and is headquartered in Tokyo, Japan.