Tableau Software is an interactive data visualization software company founded in January 2003 by Christian Chabot, Pat Hanrahan and Chris Stolte, in Mountain View, California. The company is currently headquartered in Seattle, Washington, focused on business intelligence. Chabot, Hanrahan and Stolte were researchers at the Department of Computer Science at Stanford University who specialized in visualization techniques for exploring and analyzing relational databases and data cubes. The company was started as a commercial outlet for research produced at Stanford between 1999-2002. Tableau products query relational databases, online analytical processing cubes, cloud databases, and spreadsheets to generate graph-type data visualizations. The products can also extract, store, and retrieve data from an in-memory data engine.