HE BUILT THE WORLD’S SMARTEST TRADING AI—THEN TAUGHT IT TO STUDENTS

By By the Forbes Editorial TeamHe built the smartest trading system alive—and gave it away.A tense silence filled Seoul National University as Joseph Plazo approached the podium—moments before shaking global finance.It wasn’t a tech demo. It was the unveiling of a revolution.He started with a whisper: “Hedge funds would pay millions to bury