Before he became known as Mr. Black, Jayson Winer spent two decades navigating the upper tiers of global finance. As the manager of a $2 billion Wall Street fund, he lived in a world defined by pressure, performance, and power. Yet somewhere along that 20-year climb, Winer noticed a shift, a growing gap between truth and the systems that claimed to protect it. So he stepped away. Born in Jerusalem and now based in Miami, Winer left the markets not to retire, but to build. Wha