DAVID HAMILTON COACH

David Hamilton Koch is an American entrepreneur, philanthropist, politician, businessman and also one of the richest engineers in the World, he holds a degree in chemical engineering. He is considered the lucky person as he is one of the survivors of the USAir crash in 1991. Koch joined his family business Koch Industries, which is the second-largest privately held company in America. With a net worth of $39.6 billion he is the 10th richest entrepreneur in the world.