How I Built This with Guy Raz

Noom: Saeju Jeong

When Saeju Jeong moved from South Korea to the U.S. in his mid-20's, he barely knew anyone, didn't speak much English, and had only $5,000 in savings. Today, he's the CEO of Noom, one of the most popular weight loss/wellness apps in the U.S. Inspired by his late father—a doctor who criticized the profession for treating people only after they got…