Net worth: $1.6 billion Gail Miller is the head of the Larry H. Miller Group, which she started with her late husband, Larry. Software developer James Goodnight is the richest person in North Carolina, according to Forbes. Both the current major stakeholder, Jim, and Alice Walton, are worth more than $44 billion in 2020, and they ranked 16th and 17th that year, on the Forbes annual list of billionaires. Ranked as the ten richest men in the world by the Forbes List, Jim James Leininger, founder of Kinetic Concepts Inc. that is now owner by … Source of wealth: Microsoft. The richest of the rich in America is worth $2.8 billion, while the poorest of the rich checks in at a mere $150 million. Net worth: $14.4 billion Source of wealth: Ziff Davis Inc. William Ziff Jr. sold the magazine publisher his father created, Ziff Davis Inc. , which published PC Magazine, for $1.4 billion in 1994. Warren Buffett. Net Worth: $190.5 Billion The Waltons have been dominating this list for over ten years, and they are by some measure the most prosperous clan of the world. 19, with a net worth of $41.2 billion (up from 2018). 5. Net Worth: $48 B. 4. The group owns a variety of companies, including the NBA's Utah Jazz. As of March 2020, Walton was the 8th-richest person in the world, with a net worth of US$54.6 billion. About James Carr Walton. Larry Ellison. Source of wealth: Berkshire Hathaway. The three richest families are worth $301 billion, one fourth of cumulative net worth of all the wealthiest families. Jim runs family's Arvest bank, which has branches in Arkansas, Kansas, Oklahoma, and Missouri. Source of wealth: Oracle The Forbes 400 : Walton Tops List of Richest Americans - Los Angeles Times James Carr Walton (born June 7, 1948) is an heir to the fortune of Walmart, the world's largest retailer. He is the youngest son of Sam Walton Net Worth: $58.2 B. S. Robson Walton, Walmart, No 18, with a net worth of $44.3 billion (down from 2018); Steve Ballmer, Microsoft, No. American businessman, CEO and the Chairman of his family's Arvest Bank, James Carr Walton, has a net worth of $53.3 billion in November 2019. Also, oil and gas driller Rodney Lewis had a net worth in March of $1.5 billion. ... the richest people only had a nine-figure net worth, Forbes writes.