Brazilian businessman Carlos Alberto Sicupira has an estimated net worth of $9.50 billion as of May 2019.

American heiress Victoria Mars has an estimated net worth of $9.59 billion as of April 2019.

American businesswoman Pamela Mars-Wright has an estimated net worth of $9.59 billion as of April 2019.

American retail entrepreneur, pharmacist, and philanthropist Bernard Marcus has an estimated net worth of $9.62 billion as of January 2018. He is known to be one of the founders of Home Depot. He is considered as the first Chief Executive Officer of the company and he served as the Chairman of the Board until his retirement in 2002.

Rowling is the founder of the TRT Holdings which owns the Gold’s gyms and Omni Hotels. Robert Rowling started his career by working at Tana Oil and Gas which was owned by William Colson, Reese Rowling, and Robert Rowling’s father. In 1989, Tana was purchased by Texaco for $476 million. The amount was used in building the TRT Holdings.

Pierre Castel is a French businessman with an estimated net worth of $9.7 billion as of March 2016, according to Forbes. The company, Groupe Castel, which is owned by his family contributes significantly to Pierre Castel and his family’s massive wealth.

Chinese businesswoman Wu Yajun has an estimated net worth of $9.8 billion as of April 2019. In addition to being the founder and former chief executive officer, Wu Yajun is also known to be the present Chairwoman of Longfor Properties. In addition to being the fifth wealthiest person in China, Wu Yajun was also named by Forbes as the wealthiest woman in the country.

Dan L. Duncan was an American businessman who earned most of his fortune from Enterprise Products Co..

Property tycoons Robert and Philip Ng have an estimated net worth of $9.8 billion as of March 2017, according to Bloomberg. Due to the sluggish real estate industry in Hong Kong and Singapore, the siblings’ fortune has significantly dropped. Nonetheless, their massive wealth is acquired mostly from the Hong Kong-based Tsim Sha Tsui Properties, where Robert Ng saved as Chairman. Also, he has been serving as the Chairman of Sino Group since 1981.

Hedge fund manager Kenneth C. Griffin has an estimated net worth of $9.84 billion as of April 2019. Griffin is known to be the founder and chief executive officer of the investment firm Citadel LLC which is currently based in Chicago. Citadel LLC is still considered as one of the largest hedge funds in the world.