Polymarket is reshaping its leadership team at speed. Founder Shayne Coplan said former Zora CEO Jacob Horne has joined the company to lead product, with a focus on DeFi. Horne is the fourth key executive to join Polymarket in a little over a month.
The hiring push is unfolding as trading activity has cooled quickly after the World Cup-driven surge faded. Data cited from The Block shows combined volume across Polymarket and its U.S. platform fell from a June peak of $14.74 billion to $12.89 billion in July, then to $8.41 billion in August, a 40% drop over two months. Monthly active traders fell from 667,400 to 336,300 over the same stretch, nearly halving.
That backdrop helps explain why Polymarket has been active on several fronts at once, from executive recruitment to product launches and fundraising moves.
What Polymarket is trying to add through its hiring spree
Over the past month and change, Polymarket has added a string of senior hires.
- In August, former Uber and Bird founder Travis VanderZanden joined to oversee growth.
- In September, former Amazon, EA, Delta, and Nielsen executive Warren Jenson became Polymarket’s first chief financial officer.
- Collin McKinney Hill, a former DoorDash general manager and former chief of staff to Bridgewater Associates founder Ray Dalio, joined to lead operations.
- The latest addition, Jacob Horne, came in to lead product development with an emphasis on DeFi.
Three months earlier, the company also brought in Shana Bautista to lead global investigations and intelligence. She previously worked at the FBI and Coinbase, focusing on monitoring and investigating abnormal trading, market manipulation, and insider trading risks.
Taken together, the resumes point to a clear effort: Polymarket is building out more mature capabilities in growth, product, operations, finance, and market security as it prepares for its next phase of expansion.
Competition, weaker activity, and product issues are hitting at once
The most immediate pressure comes from competition. Bloomberg and Reuters have both linked Polymarket’s executive hiring wave to its effort to catch up with main rival Kalshi. In high-frequency categories such as sports, Kalshi has already established a visible edge, and its share of total trading volume once exceeded 70%. At the same time, Polymarket’s own activity has been sliding quickly since the World Cup frenzy ended.
A growth-focused executive such as VanderZanden appears aimed at a direct question for the business: once traffic from major events starts to fade, how does Polymarket find growth again?
The pressure is not limited to U.S. market competition. Polymarket has also acknowledged problems in its on-chain product. CEO Shayne Coplan said performance in the on-chain offering had “declined” as the company scaled. Polymarket’s DeFi team has publicly said the current central limit order book carries substantial technical debt. The team said it has expanded system capacity by 10x and improved speed by 3x, but issues remain in the underlying architecture, and the matching engine is now being rewritten from scratch.
Higher compliance and finance demands after the U.S. return
Business pressure is only part of the picture. Since returning to the U.S. market last year, Polymarket has been operating under higher regulatory and compliance expectations. That helps explain the background for a hire such as Bautista.
This year, the Commodity Futures Trading Commission, or CFTC, opened an investigation into Polymarket’s marketing practices. Earlier reports that the platform used content creators to make fake trading and fake profit videos for promotion also drew regulatory attention. At the same time, Polymarket has added compliance and risk management talent from institutions including Robinhood and Nasdaq.
Jenson’s appointment as the first CFO fits another need. Polymarket has entered a stage where it needs a more structured approach to capital planning and financial management. That is especially relevant as the company looks to expand further in the U.S. and internationally while seeking another large fundraising round. Jenson is expected to take part in long-term financial planning and corporate strategy.
Recent capital activity points in the same direction. In August, Intercontinental Exchange, or ICE, the parent company of the New York Stock Exchange, said it was considering taking part in Polymarket’s next financing round. In September, 1789 Capital was reported to be planning to add about $300 million as part of a financing round of roughly $1 billion. If the deal is completed, Polymarket’s valuation would reach about $21 billion.
Viewed together, the logic behind the management changes is fairly direct. Polymarket is dealing with competition from Kalshi, post-World Cup growth pressure, and product issues that need fixing. At the same time, its return to the U.S. market has raised the bar on compliance, regulation, and capital management. In the past, the company relied more heavily on founder-led and product-led growth. As it pushes deeper into the U.S. mainstream market and chases larger trading volumes, it is confronting the kind of issues a larger fintech company would face.
Polymarket is trying to change why users open the app
The company’s moves go beyond hiring. Its product and ecosystem efforts have been moving in parallel.
Historically, much of Polymarket’s traffic has been event-driven. Elections, the World Cup, central bank decisions, and major sports events pulled users in. Once the event passed, attention faded and trading cooled. The World Cup showed both the strength and the limits of that model.
The core question now is whether Polymarket can give users a reason to return even when there is no single major event dominating attention.
Its recent actions suggest one possible answer.
- On June 27, Polymarket acquired productivity app Craft Agents, and part of the core team later joined Polymarket.
- On July 29, Polymarket Institute was launched. It is fully funded by Polymarket and operates in a model similar to a university endowment. Outside the trading platform itself, the company has started investing in academic research and theoretical work around prediction markets.
- On September 3, Polymarket launched Perps, offering perpetual contracts across crypto assets, precious metals, energy, and major U.S. stock indexes, with leverage of up to 20x.
- On September 8, it launched Squads, a social feature that lets users create dedicated spaces inside the platform, discuss markets, share predictions, and trade directly with friends.
It will take time to see how much long-term impact Perps, Squads, and the research effort will have. But if these initiatives are part of the same plan, Polymarket may be trying to expand more than a set of trading categories. It may be trying to reshape the full path by which users enter and stay inside the platform.
Previously, a user might have come to Polymarket because of one event they cared about. Now the platform appears to want users to find reasons to open it even without a specific headline event: to trade assets, discuss markets, look for opinions, and move more activity that used to happen off-platform into the product itself.
That push from single-purpose tool toward a broader hub may be the most important part of Polymarket’s current expansion to watch.
Prediction markets are not drawing only crypto-native users
Prediction markets also have a distinctive user-entry point. They are not limited to crypto-native participants and can tap into a larger traffic pool.
Cointelegraph reported that a study covering about 857,000 active Polymarket users found that roughly 60% of first-time World Cup traders had never interacted with a blockchain protocol before.
That finding suggests Polymarket’s expansion path could reach beyond crypto and beyond prediction markets alone if its additions to products, trading tools, and social features give users more things to do once they arrive.

