Tarek Mansour (@mansourtarek_) — Twitter Score 378 out of 1000

Tarek Mansour is a co-founder and CEO of Kalshi, a CFTC-regulated prediction-market exchange that has grown into one of the most closely watched platforms in the space. Tarek Mansour's Twitter Score is 378 out of 1000 (an Excellent rating) as of August 2026, ranking #646 (top 0.5%) among 483,944 tracked accounts.

Tarek Mansour co-founded Kalshi alongside Luana Lopes Lara. Kalshi raised a $185M Series C led by Paradigm at a $2B valuation, with participation from Multicoin Capital, Sequoia Capital, and Neo, per public reporting. The company later raised approximately $1B at a $22B valuation from Coatue, Sequoia, Andreessen Horowitz, and Morgan Stanley. The CFTC approved trading of Bitcoin perpetual futures contracts for U.S. customers at Kalshi, though CME Group subsequently sued the CFTC challenging that approval. Kalshi competes with blockchain-based prediction-market platform Polymarket.

Tarek Mansour and Kalshi have faced regulatory and legal challenges. Massachusetts filed a lawsuit in September 2025 accusing Kalshi of accepting sports wagers without complying with state gambling laws, and a preliminary injunction blocked Kalshi from offering sports-based betting in the state in January 2026. Arizona filed criminal charges in March 2026 alleging Kalshi was running an illegal gambling operation and election wagering; Kalshi disputed those charges as meritless. Tarek Mansour has 78,445 followers as of August 2026 and has published 7,562 posts. Tarek Mansour has been mentioned by 206 accounts, with 467 total mentions.

Who follows Tarek Mansour on X?

The accounts that follow Tarek Mansour include 1,242 founders, 353 angel investors, 466 influencers and 14 VCs. Among them are Marc Andreessen, Nikita Bier, vitalik.eth, Solana, Chris Dixon and Toly.