Bill Barrett Corporation is an energy company based in Denver, Colorado. Its core business is natural gas and oil exploration and development in the Rocky Mountains region of the United States. William J. "Bill" Barrett founded the company in January 2002 after his previous company, Barrett Resources, was acquired by the Williams Companies in August 2001. Bill Barrett Corporation went public in December 2004. Barrett stepped down as chairman and CEO in 2006, and was succeeded by his son Fredrick J. Barrett. One company project that has drawn press coverage and public debate is the development of natural gas reserves in the West Tavaputs Plateau, in and around Nine Mile Canyon, in Utahs Uinta Basin. This find won the trade publication Oil and Gas Investors 2005 Excellence Award for Best Discovery.