O’Neill, who took over on April 1, is the only woman to serve as CEO of a traditional Big Oil supermajor in Europe or the U.S.

New BP PLC CEO Meg O’Neill reorganized the oil giant’s leadership structures in an overhaul that cements focus on oil and gas. Read here now

It hasn't taken BP CEO Meg O'Neill long to deliver on her promise of a simpler corporate structure, but the UK major is still looking for a permanent downstream boss.