Larry Ellison — $165 Billion

Oracle co-founder Larry Ellison rose dramatically in the wealth rankings in 2025, with his net worth reaching approximately $165 billion on the back of Oracle's explosive growth in cloud infrastructure and AI data center contracts. Oracle secured major AI training partnerships with Microsoft, OpenAI, and the US government. At 80 years old, Ellison's continued active role in tech strategy made him a unique figure among the world's wealthiest.