It is possible provided he meets the requirements. This is to big a question for this forum. I suggest your partner consult with an experienced immigration attorney regarding business/employment visas.
If this is for you to immigrate, you need to clarify what sort of visa you want, investor, trader, transferee, special worker, etc.
The above is intended only as general information, and does not constitute legal advice. You must speak with an attorney to discuss your individual case.
You really need to retain an experienced immigration lawyer to review all the facts, advise you, and handle the case. You can find one through http://www.ailalawyer.com.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.