So Larry Ellison just became the world's richest person back in September 2025, and honestly, the story behind it is wild. At 81 years old, this guy's net worth hit $393 billion—surpassing Elon Musk—all because Oracle landed a massive $300 billion partnership with OpenAI. The stock jumped over 40% in a single day. That's the kind of move that reminds you why legacy tech players still matter.

But here's what's interesting: Ellison didn't build his empire by being first. He was late to cloud computing when AWS and Azure dominated early. Late to AI infrastructure too. Yet somehow, Oracle keeps finding its way to the center of everything. Started from a CIA database project in the 1970s, co-founded Oracle with $2,000 in his pocket, and just kept evolving. While everyone was writing him off as a "traditional software vendor," he pivoted hard into data centers and AI infrastructure. Classic comeback energy.

The guy's personal life is equally dramatic. Five marriages, including a recent one to Jolin Zhu, a woman 47 years younger—his spouse definitely keeps things interesting. He owns most of a Hawaiian island, collects yachts, and founded a whole sailing league (SailGP) that attracted investors like Anne Hathaway and Mbappé. In 1992, he nearly died surfing but kept going back for more. That's the kind of risk appetite that probably helped him see opportunities others missed.

What's wild is the discipline underneath the excess. People who worked with him say he'd spend hours exercising daily, only drank water and green tea, maintained this strict regimen. At 81, he looks like he's in his 60s. Meanwhile, his son David just acquired Paramount for $8 billion—so the family's now spanning Silicon Valley to Hollywood.

Politically, he's been a major Republican donor, showed up at the White House with Masayoshi Son and Sam Altman to announce that $500 billion AI data center network. Oracle's tech is at the core of it. It's not just business—it's power and influence.

The funny thing? He pledged to give away 95% of his wealth but does it his way, not joining the usual billionaire circles. Donated $200 million to USC for cancer research, now backing the Ellison Institute with Oxford on healthcare and climate tech. Dude's 81 and still hungry for the next wave.

At this point, the world's richest man title might shuffle around again, but Ellison proved something important: the old guard of tech isn't done yet. When everyone's chasing AI infrastructure, having a database empire and enterprise customer relationships? That's the quiet advantage nobody saw coming.