Golfer Collin Morikawa won the PGA Championship last month. (Gregory Shamus/Getty Images)

“People in the class were going to Goldman Sachs, BlackRock, all of them, and he was going toe-to-toe with all of them," lecturer Stephen W. Etter said of Collin Morikawa, who tees off with Tiger Woods and Justin Thomas at the U.S. Open today.