Viant Technology, Inc. is an advertising technology company, which develops and manages an enterprise software platform. Its solutions include Viant Household ID, Viant's Identity Graph, Viant Data Lake, and Potens. The firm also offers Adelphic, an omnichannel demand-side platform which enables marketers to execute programmatic advertising campaigns. The company was founded by Timothy C. Vanderhook, Christopher John Vanderhook, and Russell T. Vanderhook in 1999 and is headquartered in Irvine, CA.