Will Kim

The banker for the algorithm

Ludwig was mid-streamathon, breaking subscriber records, printing money in front of a live audience - and his card got declined. Limit too low. To a traditional bank, a top YouTuber with a great credit score and a seven-figure year still looked like a question mark. Will Kim looked at the same person and saw a business. That gap, between what a creator earns and what a bank will believe, is the whole reason Karat Financial exists.

Kim is co-founder and co-CEO of Karat, the West Hollywood fintech that treats streamers, YouTubers and TikTokers as the companies they actually are. The pitch is deceptively simple: underwrite people on their audience and their social metrics, not on the W-2 they don't have. Karat's first product was a business credit card. It has since issued more than $1.5 billion in credit and advances on that logic, and grown into banking, taxes and tools - what Kim calls the one-stop shop for the creator economy.

His resume reads sideways rather than up. He studied Symbolic Systems at Stanford, the interdisciplinary program that has a habit of producing founders. He did a summer at Goldman Sachs in the Special Situations Group, then landed at Palantir in 2016. He started a master's in computer science at Stanford and then left it to raise roughly $5 million for his own investment fund. It was as an investor, watching marketplace deals connect brands with content creators, that he first caught the scent of what was coming.

The co-founder he met over board games

Kim met Eric Wei in 2016, not in a pitch meeting but at a friend's house, playing board games. Wei was the ex-Instagram, ex-McKinsey, ex-Blackstone Harvard grad watching top creators struggle to manage money from the inside. Kim was the ex-Palantir, ex-Goldman Stanford grad who could read a balance sheet and had already run a fund. The friendship came first. The company came three years later, in 2019.

Kim has been unusually candid about why the partnership works, and it has little to do with complementary skills. "I just thought, 'I can trust Eric with everything. This is the one guy that I can start a business with,'" he has said. His advice to other founders is blunt: "If you don't trust them, don't do it. It's not worth it." For a man who underwrites trust for a living - that is, after all, what audience loyalty is - it is a fitting north star.

Turning clout into collateral

The mechanics are the interesting part. A creator's subscriber count, view velocity and engagement are noisy to a legacy bank and legible to Karat. By reading social metrics as business fundamentals, Karat extends credit limits and advances that ordinary issuers won't touch. It built one of its early financial products in roughly three weeks on Stripe Issuing, then partnered with Visa to put a real card in creators' hands. In 2025 it went further and launched Karat Banking - checking accounts paying 2 to 3 percent APY, built-in tax services, and partnerships with Grasshopper Bank and the creator-owned streaming platform Nebula.

The roster validates the thesis. Karat counts more than 70 creators on its cap table - chess streamer Alexandra Botez, entertainer Ludwig, finance educator Graham Stephan, chef Nick DiGiovanni - people who are simultaneously customers, investors and proof of concept. When your earliest believers are the exact users you serve, the flywheel needs little explanation.

Before the cap table, a micro-lending desk in high school

The lending instinct is old. In high school, Kim ran a micro-lending organization that loaned money to student entrepreneurs in underserved Bay Area communities - Oakland, Emeryville - who paid him back once their ventures turned a profit. The work earned recognition from President Obama. Two decades on, the unit economics are larger and the borrowers have ring lights, but the move is the same: find the people serious institutions overlook, and bet on them before the institutions catch up.

Kim runs himself like one of his own systems. Cold showers, meditation, early mornings, Marcus Aurelius on the nightstand. The mantra he repeats comes from cyclist Eddy Merckx: "It doesn't get easier. You just get faster." It is the kind of line that sounds like a humblebrag until you have tried to build a bank from scratch, at which point it just sounds true.

The bet

The wager underneath all of it is that audience trust is becoming the scarcest, most bankable asset in business - and that the line between a creator and a company is disappearing from both sides. Creators are turning into businesses; businesses, Kim argues, will have to turn into creators. Karat is positioned at the exact seam where those two truths meet. Whether or not every brand becomes a creator on his timeline, Kim has already done the harder thing: he made a multi-billion-dollar credit operation out of a question the rest of finance refused to answer.