This excerpt taken from the SIRI DEF 14A filed Apr 21, 2006.
Composition of the Board of Directors
It is the policy of the Board of Directors that the Board at all times reflect the following characteristics.
Each Director shall at all times represent the interests of the stockholders of the Company.
Each Director shall at all times exhibit high standards of integrity, commitment and independence of thought and judgment.
Each Director shall dedicate sufficient time, energy and attention to ensure the diligent performance of his or her duties, including by attending stockholder meetings and meetings of the Board and Committees of which he or she is a member, and by reviewing in advance all meeting materials.
The Board shall meet the standards of independence from the Company and its management set forth under “Director Independence” below.
The Board shall encompass a range of talent, skill and expertise sufficient to provide sound and prudent guidance with respect to all of the Company's operations and interests.