Activist investor calls for BP chair to quit after ’embarrassing’ performance Energy An activist investor famed for ousting senior leadership has called for BP chair Helge Lund to quit after the oil major’s “embarrassing” performance. Bluebell Capital Partners, a London-based hedge fund, has written to BP’s board board twice in the past few weeks attacking its management and the firm’s approach to the transition. Bluebell co-founders, Guiseppe [...]