Yngve Slyngstad

The chief executive of Norway's sovereign wealth fund, by far the largest in the world, is also the most powerful global activist investor. Yngve Slyngstad has the great weight of $860 billion at his disposal and his oil fund owns about 1% of all listed global stocks. Wal-Mart, Grupo Carso, Boeing and Lockheed Martin, among others, are excluded from the fund's portfolio for violating "humanitarian principles"-- although the fund has retained holdings in Russian banks and oil companies like Gazprom despite Western sanctions.