She Trained to Be a Ballerina in Brazil. At 30, She’s the World’s Youngest Self-Made Female Billionaire

Luana Lopes Lara grew up in Brazil training as a competitive ballerina, then rerouted into computer science and finance. Now the Kalshi cofounder and COO, she has a reported net worth of $2.6 billion as of Fortune’s 10/21/2026 report, making her the world’s youngest self-made female billionaire. The money has not rewritten her schedule: she still logs 12 to 14 hour days and rarely takes a day off, joking that “maybe I’ll get a fancier lunch.” Kalshi’s rise also rests on a regulatory case it has been building for years, after beginning work with the Commodity Futures Trading Commission in 2019 and securing federal approval in 2020.

The prediction-market boom has minted plenty of winners, but few stories have the clean arc of Luana Lopes Lara. In an October 21, 2026 Fortune report, the 30-year-old co-founder and COO of Kalshi is pegged at a $2.6 billion net worth, a milestone that sits at the intersection of venture math, federal regulation, and a founder who still treats the workday like rehearsal.

From ballet dreams to billion-dollar markets

Lopes Lara was born on May 20, 1996, and grew up in Brazil training as a competitive ballerina, including time at a prestigious ballet school, before pivoting toward computer science and finance. That early discipline shows up in how people around Kalshi describe her pace: she reportedly works 12 to 14 hour days and rarely takes a day off.

For readers used to founders who celebrate with a new car or a beach week, her own framing is almost stubbornly small. Becoming a billionaire, she suggested, might mean “maybe I’ll get a fancier lunch.”

Building Kalshi meant taking Washington seriously

Kalshi’s core pitch is simple to say and hard to do at scale: turn real-world outcomes into regulated markets. Lopes Lara and co-founder Tarek Mansour started working with the Commodity Futures Trading Commission (CFTC) in 2019, then secured federal approval in 2020, a timeline that matters because critics often try to lump prediction markets into unlicensed gambling.

Her rebuttal is blunt, and rooted in the calendar: “If we wanted to skirt regulation, taking four years to work on getting regulated sounds like the stupidest decision,” she said.

The Series F that made the math undeniable

Kalshi’s valuation surge this year has been the kind venture investors dream about and founders quietly dread, because it raises expectations overnight. On May 8, 2026, the company raised $1 billion in a Series F led by Coatue, with participation from Sequoia Capital, Andreessen Horowitz, IVP, Paradigm, Morgan Stanley, and ARK Invest, valuing Kalshi at $22 billion, per this $1 billion Series F coverage.

Ownership still ties her directly to the outcome. Earlier reporting has estimated that Lopes Lara and Mansour each hold roughly a 12% stake in Kalshi.

Scale, market share, and what comes next

By July 2026, Kalshi’s annualized revenue hit $4 billion, boosted largely by World Cup-related trading, and Sequoia Capital said the company held roughly 95% of the US prediction-market share. That kind of dominance has a way of pulling forward the next milestone.

On September 30, 2026, Bloomberg reported Kalshi was finalizing a new funding round at around a $40 billion valuation ahead of a planned IPO, a sign that the lunch might get fancier, whether Lopes Lara asks for it or not.