Marcus Webb

Polymarket US Specialist, Product & Mobile Expert · Brooklyn, New York

Marcus Webb

Polymarket US specialist and FinTech product lead based in Brooklyn, New York. Previously at Robinhood (2017-2019, PM Trading UX on iOS) and Kalshi (2021-2023, Senior PM for Mobile Products at a CFTC-regulated DCM). Stanford CS (2017) + Stanford GSB MBA (2021).

Research Focus

Polymarket US: QCX LLC, CFTC-regulated DCM, iOS mobile trading
Automation: copy trading, mirror trading, wallet integration patterns
Product: mobile-first trading UX, onboarding, compliance-aware design

Key Findings (October 2026)

Polymarket US iOS available since May 2026 (after a 6-month invite-only period)
Android and web US versions not launched as of October 2026
CFTC DCM status requires Tier-1 KYC standards for US users
US-specific withdrawal flow runs through ACH

Profiles

GitHub: github.com/cyrusthornemchn

Disclaimer

Not affiliated with Polymarket. Not financial advice. Educational purposes only.