Stuart
Sopp.

The Whitepaper That Changed Everything

It's 2010. Stuart Sopp is sitting at a Morgan Stanley trading desk in New York - one of those rooms where the carpets cost more than most people's cars and a bad day means millions gone before lunch. An intern named Trevor Marshall walks over and hands him a nine-page PDF. The Bitcoin whitepaper. Sopp reads it, not because he thinks it'll make him rich - he's already doing fine at that - but because something in it cracks open a question he hadn't fully formed yet.

Who is banking actually for?

Sopp, an aerospace engineering graduate from City, University of London who'd spent 15 years across BNY Mellon, Deutsche Bank, Citi, and Morgan Stanley trading foreign exchange and short-term interest rates on four continents, knew money's infrastructure cold. He also knew it was ruthlessly designed around people who already had money. The intern who handed him the whitepaper - Trevor Marshall - would eventually become Current's CTO. The nine-page PDF was the first domino.

By 2014, Sopp had enough. Fifteen years of "making rich people richer" - his own words - wasn't a midlife crisis so much as a strategic exit. He'd seen how money actually moved. He knew what the rails looked like underneath. And he'd started to think the whole thing was structurally broken for anyone outside a certain income bracket or credit history. He walked away from Morgan Stanley and started sketching out what would become Current.

Built for the People FICO Rejects

Most neobanks chose the easy customer - someone with a decent credit history, stable income, existing bank relationship. Just move them to a slicker app with lower fees. Current went the other direction. Their customer has a sub-620 FICO score. Banks don't just underserve them; they systematically exclude them. About 50% of early Current accounts came from people who had never held a bank account before.

To serve them, Sopp made a decision that shocked anyone who knew the industry: he built his own banking core. Not integrated with one of the major processors. Not licensed from a third party. Designed from scratch. "You ask anyone in the existing banking industry if they'd like to build a core and it'd be a unanimous no, because they know too much," Sopp explained. "And we didn't know enough." Strategic ignorance as competitive advantage.

The proprietary stack gave Current something most fintechs never get: flexibility. When Sopp wants to launch earned wage access, he doesn't wait for a third-party processor to update their API. When the credit builder card needs a new feature, there's no vendor to negotiate with. Eighty percent of revenue comes from interchange fees - not overdraft penalties, not credit interest, not the gotchas that fund traditional banking. That's a structural choice, not an accident.

The $10,000 Bet on a Kid with a Camera

Before MrBeast had 100 million subscribers - before he had 10 million - Current's marketing team gave him his first $10,000. Adam Hardy, who runs marketing at Current, saw something in the format early. The partnership grew as Jimmy Donaldson grew. When MrBeast became the biggest creator on YouTube, Current had already been there for years.

This wasn't luck. Sopp built a systematic thesis around influencer marketing before most fintech companies thought it was legitimate. Current worked with over a thousand influencers. The insight wasn't about scale - it was about fit. Large multinationals optimized for CPM and reach. Current optimized for community trust. Small creators with tight-knit audiences consistently outperformed mega-celebrities on unit economics.

"The difference between fracking and oil drilling," was how Sopp described the contrast between conventional and influencer marketing. You drill where everyone drills, or you find the pressure everyone else missed.

Winning the Fintech Winter

From 2022 to 2024, zero-interest-rate money dried up and fintech companies that had been growing on venture fuel ran into a wall. Customer acquisition costs that made sense at near-zero rates looked suicidal at 5%. Companies that had been celebrated as disruptors started quietly cutting headcount or selling to acquirers.

Current grew. Not through fundraising theater or strategic pivots announced in press releases, but through the oldest mechanism in business: products people actually want. By dialing back marketing spend and focusing on synergistic product launches - the Build Card, the paycheck advance product, high-yield savings - Current achieved around 100% annual growth during the period most fintechs were fighting for survival.

Sopp's take on the broader fintech landscape is characteristically blunt: "The market has picked winners." He's been consistent that Current is a long-term play. The unit economics of serving subprime customers are harder than serving prime ones - until they aren't, because you've built infrastructure your competitors can't replicate and trust your competitors haven't earned.

The Foreigner Who Needed His Own Product

There's a particular kind of credibility that comes from using what you build. Stuart Sopp is British. He lives in Manhattan. As a foreign national in America, building credit history is genuinely hard - the same FICO problem that locks out millions of his customers applies to him personally. He uses Current's own Build Card. This isn't a marketing stunt; it's just accurate.

The Twitter bio says it all: "Digital money advocate. Manhattan, NY." No job titles, no company names, no follower-optimized keywords. His handle is @soppstu. He describes his decision to leave finance as a "midlife crisis" - not in the sports-car sense, but in the sense of someone who looked at what they were doing every day and asked whether it was worth doing. The answer was no. The next question was: what would be?

His 12-year-old daughter has been a reference point when thinking about youth finance - the original teen banking product that launched Current was partly informed by watching a younger generation interact with money before they'd been scarred by it. He talks about his background not as a credential but as a lens: knowing exactly how financial systems work, from the plumbing up, made him impossible to fool about what was actually hard to build versus what just looked hard.