20. Michael Dell, Founder and CEO of Dell Computers married to – Susan Lieberman Dell
With an estimated net worth of $18.6 billion, Michael and Susan Dell have been married for 27 years and have four children together. Their famous last night might give you a hint to how they made their billions!
Apart from business, the couple set up the Michael & Susan Dell Foundation to support education and health care to underprivileged children all over the world. They have arranged for more than $650 million donations by now.