"Silicon Graphics announced today that Dennis McKenna has been named chairman of the board, chief executive officer and president, effective immediately. McKenna succeeds Robert Bishop, who will remain on the board of directors and serve as vice chairman. "Dennis McKenna is a proven leader, with an established track record of driving positive results in difficult business environments. He is well balanced in strategy, business development and operational execution - a combination that we believe will bring improved results to SGI and its stakeholders," said James McDivitt, SGI's lead director." Update: El Reg has more on this.