Polymarket fires chief marketing officer after internal investigation

Matthew Modabber is out after a probe into marketing practices that worried investors, as the prediction market prepares for a more buttoned-up era Polymarket has fired its chief marketing officer, Matthew Modabber, following an internal investigation into incidents that raised concerns among the company’s investors. The company is reportedly working toward a more professional corporate image as it weighs a potential initial public offering. The internal review began earlier in 2026. It centered on marketing practices that set off alarms among investors. Two issues stand out. The first involves a fake webpage that promoted staged videos showing traders making profits. The second concerns money flows. More than $2.5 million was routed through Modabber’s personal PayPal account, according to the research.

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