Ronald Perelman: Ronald Owen Perelman is well-known as an American businessman and investor. He is mainly known for his multiple investments and has an increasingly

For instance through his company MacAndrews & Forbes Holdings Inc., he has also invested in various companies like groceries, cigars, licorice, makeup, cars, photography, television, camping supplies, security, lottery, jewelry, banks, and comic book publishing.  He also owns a large stake in cosmetic giant Revlon, production house Deluxe Entertainment, lottery outfit Scientific Games and Humvee maker AM General. He is also known for his philanthropic work where, in 2008 Perelman gifted a $50 million gift to New York Presbyterian Hospital. His total net worth is $14 billion.

Mikhail Prokhorov: Mikhail Prokhorov is a Russian entrepreneur who has a net worth of $10.9 billion and is the youngest investor in this list. After his graduation from the Moscow Finance Institute, he worked in the financial sector and then  gradually he went on to become one of Russia's leading industrialists, owning major stakes in multinational corporations in the precious metals sector. He had been a banker, investor, athlete, metals mogul, NBA owner and now a politician. He has also brought the New Jersey Nets a few seasons ago. It seems that he had also made a party of his own due to his serious interest in Russian politics. He sold his 37.8 percent share of Polyus Gold International Limited for $3.6 billion and he bought a 27 percent stake in Uralkali in 2013. His net worth is $10.9 billion.