While not enough in of itself, a PhD will greatly increase your chances of getting an O-1. Which is much more attractive than an H-1B. Also, remember that H-1Bs

While not enough in of itself, a PhD will greatly increase your chances of getting an O-1. Which is much more attractive than an H-1B. Also, remember that H-1Bs from India and China have to wait for many many years before they can get their GCs. Hardly worth it.