In December 2005, the Director of National Intelligence appointed Eliot A. Jardines as the Assistant Deputy Director of National Intelligence for Open Source to serve as the Intelligence Community's senior intelligence officer for open source and to provide strategy, guidance and oversight for the National Open Source Enterprise. Mr. Jardines has established the National Open Source Enterprise and authored intelligence community directive 301. In 2008, Mr. Jardines returned to the private sector and was succeeded by Dan Butler who is ADDNI/OS and previously Mr. Jardines' Senior Advisor for Policy.