Polymarket has hired former Uber, Lyft and Bird executive Travis VanderZanden as chief growth officer, placing a veteran of consumer-platform expansion at the center of its effort to regain momentum against prediction-market rival Kalshi.
Shayne Coplan, Polymarket’s chief executive, announced the appointment on Wednesday and pointed to VanderZanden’s previous work leading growth at Uber under then-chief executive Travis Kalanick, serving as chief revenue officer at workplace-software company Yammer, and founding electric scooter-sharing company Bird.
The hire arrives as competition for prediction-market users has accelerated, particularly around sports contracts. Polymarket and its domestic-facing Polymarket US operation recorded a combined $12.9 billion in trading volume in July, compared with $40 billion at Kalshi, according to published market data cited in the announcement material. Kalshi’s more recent lead has been driven largely by sports-related markets, which have brought the sector closer to the high-frequency habits of mainstream betting audiences.
VanderZanden’s career is closely associated with the aggressive expansion playbook often called “blitzscaling,” a term coined by Reid Hoffman and Chris Yeh for companies that prioritize rapid growth and market share while using substantial venture financing. That background suggests Polymarket is seeking more than conventional marketing expertise: it is recruiting an executive experienced in designing consumer acquisition systems, launching in new markets and competing against well-funded platforms.
A race for consumer activity
Prediction markets let users buy and sell contracts tied to future outcomes, with prices generally reflecting the market’s implied probability of an event. Political elections initially drove much of the public attention around Polymarket, but the category has expanded into sports, economic releases, entertainment and other real-world events.
That expansion has increased the pressure on platforms to retain regular users after major political cycles end. Monthly active trader counts on Polymarket have remained relatively flat during the period in which Kalshi pulled ahead on volume, according to the supplied market data. A growth chief with experience in ride-hailing and shared mobility may be tasked with addressing that gap by turning occasional event-market participants into more frequent users.
Sports creates a particularly demanding competitive environment. Markets can update rapidly during a game, requiring platforms to offer a seamless mobile product, timely market settlement and enough liquidity for users to trade without sharp price movements. Kalshi’s volume lead indicates that sports contracts are becoming a major distribution channel rather than an add-on product.
Polymarket’s challenge is complicated by a more crowded field. Prediction markets are no longer limited to specialist crypto-native products, as regulated financial platforms, betting-related businesses and larger consumer applications explore event-based contracts. The fight for users now includes product design, liquidity, licensing, payment access and brand trust alongside the range of markets offered.
Funding ambitions meet legal scrutiny
The leadership move also comes amid substantial fundraising activity across the sector. Polymarket was reported last week to be discussing a new financing round at a valuation above $20 billion, while Kalshi was said to be seeking a $40 billion valuation. Neither reported target, on its own, establishes a final valuation or completed transaction, but the figures illustrate the capital expectations surrounding platforms seeking to lead the category.
Large private valuations increase the incentive to show sustained volume and user growth before the next major US election cycle. The November midterm elections could provide a major catalyst for political-event trading, though sports markets may determine which platform maintains engagement between election-driven spikes.
The sector’s commercial expansion has also drawn a more forceful regulatory response. Dozens of lawsuits have been filed by US states, as well as actions in some foreign jurisdictions, alleging that certain prediction-market offerings breach local gambling laws. Platforms have countered that federally regulated event contracts fall under a different legal framework from traditional sports wagering.
On Wednesday, the New York City Council said it had opened a probe into marketing practices at four prediction-market platforms, focusing on allegations that promotions were directed toward younger people. The inquiry adds political pressure around advertising and customer acquisition, precisely as platforms compete more aggressively for consumer attention.
The Commodity Futures Trading Commission has supported the position of federally regulated platforms operating as Designated Contract Markets, the CFTC registration category for venues permitted to list certain derivatives contracts. That federal backing does not eliminate state-level disputes, but it has become central to the industry’s argument that licensed event-contract exchanges should not be treated as unregulated gambling operators.
Growth strategy will face tighter limits
VanderZanden’s appointment gives Polymarket an executive with experience scaling marketplaces where growth depended on dense networks of users, local expansion and fast-moving competition. Yet prediction markets operate under constraints that Uber, Lyft and Bird did not face in the same form: a platform’s growth strategy can be shaped directly by contract approvals, geographic restrictions, customer-protection requirements and court challenges.
That makes regulatory positioning part of the commercial contest. A platform able to maintain access to major markets, secure clear operating permissions and reassure users about market integrity would have a stronger foundation for expansion than one relying solely on promotional spending or temporary trading incentives.
Polymarket’s new growth chief will therefore be entering a market where the next phase of competition is likely to be decided by whether platforms can combine mass-market consumer products with a durable legal route to offering event contracts.
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