MANILA, Philippines — Tycoon Ramon S. Ang is entrusting Petron Corp. to his eldest son, John Paul Ang, who now serves as the oil giant’s top operating executive. The billionaire is now the group’s ...

MANILA, Philippines — Business magnate Ramon S. Ang has named his eldest son, John Paul Ang, as the new president and chief operating officer of Petron Corp., signaling a leadership transition within ...