John Browne, Baron Browne of Madingley

As a new chief executive officer, Tony Hayward was recruited in June 2007 and he took over for BP's highly-respected former CEO Lord Browne. The new CEO of BP may be able to use his own leadership or management style to change the culture of the organization and also try to help the business to grow and improve better. However, the extent to which the effectiveness of his way of leading the business and how quickly it can be for change to eh business culture are depends upon different…