If he regularly employers researchers, he can sponsor you. Unless you are born in the PRC or India, the EB-2 green card process takes only a matter of months.
Mr. Shusterman's (former INS Trial Attorney, 1976-82) response to your question is general in nature, as not all the facts are known to him. You should retain an attorney experienced in immigration law to review all the facts in your case in order to receive advice specific to your case. Mr. Shusterman's statement above does not create an attorney/client relationship.