Polymarket dismisses marketing chief after internal review

Polymarket has dismissed chief marketing officer Matthew Modabber after an internal review, according to reporting based on unnamed sources, as the prediction-market company seeks to improve its image ahead of a possible initial public offering. The review began earlier in 2026 and examined marketing practices that had drawn concern, the reports said. Polymarket was finalizing a separation agreement with Modabber, though the reports did not establish that the agreement had been completed. Modabber had held the marketing role since January 2024. The New York Post reported that board members believed Modabber’s continued presence could hinder efforts to present Polymarket as a more established company before a potential IPO. The same outlet reported that CEO Shayne Coplan initially opposed the proposed firing and threatened members of the legal team who supported it, but later accepted Modabber’s departure. Those accounts were attributed to unnamed sources, and the company and executives did not publicly confirm the details in the reports. The internal review followed scrutiny of promotional material involving videos that appeared to show Polymarket users profiting from trades....