Famous Saudi royal family Prince Alwaleed Bin Talal Alsaud is an investor and businessman with an estimated net worth of $15 billion as of April 2019.

John Menard Jr. has an estimated net worth of $15 billion as of April 2019. John Menard Jr. is the owner and founder of a large Midwestern home improvement chain Menard’s. His first hardware store opened in 1972 and it continues to grow today with over 262 branches. This hardware mogul actually owns the third largest home improvement retailing company in the country. Menard is also owning an engine shop in the UK which specializes in producing engines for Robby Gordon Motorsports and Team Menard.

Russian business tycoon, Roman Abramovich has a net worth of $15.1 billion as of May 2019. Abramovich was orphaned as a child and dropped out of college, then made his fortune in a series of controversial oil export deals in the early 1990s. He moved into the oil industry and teamed up with Boris Berezovsky in the 1990s. They bought the Sibneft oil operation in 1995, when Berezovsky went into exile sold his shares to Abramovich. He took over oil giant Sibneft at a fraction of its market value.

Elaine Tettemer Marshall has an estimated net worth of $15.4 billion in May 2019. This 70-year old billionaire actually owns 15% of the Koch Industries, which is considered as the second largest privately held company in the United States.

Chinese businessman William Ding has an estimated net worth of $15.5 billion in May 2019.

Indian industrialist and philanthropist, Shiv Nadar has a net worth of $15.6 billion as of April 2019. He is the chairman and chief strategy officer of HCL Technologies.Shiv Nadar founded HCL in the mid-1970s.

Chilean businesswoman Iris Fontbona has an estimated net worth of $16 billion as of March 2019. He is also the richest person in Chile and 35th in the list of World Billionaires.

Swedish business magnate Stefan Persson has an estimated net worth of $16.1 billion in May 2019.

Aliko Dangote is the African richest man as well as the richest man in Nigeria with a net worth of $16.1 billion as of July 2019.

German engineer and industrialist Stefan Quandt has an estimated net worth of $16.2 billion in July 2019. He is #81 in the World Billionaires List (#76 in 2012) and #6 Richest People in Germany according to Forbes.com. Born on May 9, 1966 in Bad Homburg, Germany, he studied engineering at the University of Karlsruhe between 1987 and 1993. He worked for the Boston Consulting Group in Munich from 1993 to 1994, and Datacard Group Minneapolis, a smart card maker, in Hong Kong as a marketing manager from 1994 to 1996.