John Luke Jr. chairman and CEO of global packaging giant MeadWestvaco was a U.S. Air Force pilot in Southeast Asia during the tail end of the Vietnam era. Since coming home to join and eventually run the company he has been responsible for steering a steady course even as flak comes in from all sides. Speaking at a recent Wharton Leadership Lecture Luke said that during MeadWestvaco’s transformation into a business focused on packaging solutions he had to push for a radical change in focus while continually resisting pressure for quick short-term results.