Lions Gate Entertainment Corporation, doing business as Lionsgate, is a Canadian-American global mass media and entertainment company. Originally a Canadian company, it was formed by Frank Giustra on July 10, 1997, domiciled in Vancouver, British Columbia, and is currently headquartered in Santa Monica, California. In addition to its flagship Lionsgate Films division, its other divisions include Lionsgate Television and Lionsgate Interactive. It owns a variety of subsidiaries such as Summit Entertainment, Entertainment One, Debmar-Mercury, and Starz Inc.