Thanks for your kind words. This will depend on the individual's background/accomplishments, country of nationality, and funding and nationality of the U.S. en

Thanks for your kind words. This will depend on the individual's background/accomplishments, country of nationality, and funding and nationality of the U.S. entity but, putting aside country-specific visas, the options would be the O-1 or E-2 or possibly even a green card if his or her background is strong enough.