Remember, HP's board underwent a major shakeup once Léo came in: http://management.fortune.cnn.com/2011/01/28/hp%E2%80%99s-bo...
There are 14 board members in total including Leo the CEO. Out of 13, 6 were appointed in 2011 while the board leader (Lane) was appointed at the same time as Leo Apotheker. That means out of 14, only 6 precede Leo.