Warren Buffett

Net worth: ~$145 billion. CEO of Berkshire Hathaway, the "Oracle of Omaha" remains the oldest person in the top 10 at age 95. His value investing philosophy has compounded returns at ~20% annually for 60 years. Berkshire's cash pile exceeded $325 billion in 2025. Has pledged 99% of his wealth to charity. Source: Forbes Real-Time Billionaires List.