Washington and New York - Aug 4, 2008 - Now that the satellite radio merger has been completed, Joseph Clayton, chairman of Sirius Satellite Radio, has stepped down from that position. Gary Parsons, formerly chairman of XM, takes the spot as chairman of Sirius XM Radio. With Parsons leaving, Warren Lieberfarb and Michael McGuiness have also resigned from the board of directors.

The number of directors on the Sirius XM board has been increased from eight to 12. Former XM board members Joan Amble, Eddy Hartenstein, Chet Huber, John Mendel, Jack Shaw, Jeff Zients and Gary Parsons have been elected to the new board of directors.

Clayton joined Sirius in 2001, replacing founder, chairman and CEO David Margolese who had resigned after 11 years. In November 2004, Clayton's CEO duties were assigned to Mel Karmazin.