Business Leaders Published September 17, 2013 11:15am EDT | Updated March 4, 2016 4:20pm EST Meet the 10 Richest People in America Comments FOXBusiness Forbes released its annual list of the richest Americans, and the average net worth of the magazine’s 400-member list is $5 billion—the highest to date. 1. Bill Gates Chairman of Microsoft, $72 billion (REUTERS) 2. Warren Buffett Berkshire Hathaway, $58.5 billion (Reuters) 3. Larry Ellison Oracle CEO, $41 billion (Reuters) 4. Charles Koch CEO of Koch Industries, $36 billion 4. David Koch, Executive Vice President, Koch Industries, $36 billion (REUTERS) 6. Christy Walton & family Co-Chair, Children's Scholarship Fund (heirs of Wal-Mart founder), $35.4 billion 7. Jim Walton, Chairman and CEO Arvest Bank Group, $33.8 billion Alice Walton, Chairman Crystal Bridges Museum of American Art, $33.5 billion (REUTERS) 9. S. Robson Walton Chairman, Wal-Mart Stores, $33.3 billion (REUTERS) 10. Michael Bloomberg Mayor of New York City, $31 billion (Reuters)