Hellmuth, Keating, Gross & Katz Back Sentinel AI, the Startup Reading the Market’s Tells

What do Phil Hellmuth , Alan Keating , PokerGO founder Cary Katz , and Jeff Gross all have in common aside from being the greatest poker players alive? All four are backers of Sentinel AI , which just raised a seven-figure seed round, and the startup’s pitch should sound familiar to anyone who has played high-stakes poker: it reads the retail investor sentiment and narratives forming around a stock the way a pro reads an opponent.