The petitioner alien must present information that will prove her claims. Items that carry substantial weight with the USCIS include the following:
Recommendation Letters included in the petition and written by either field experts or the petitioning alien should include the following:
If you have two of the aforementioned requirements, at least three years of research, and/or teaching experience, and an offer for a permanent research position or tenure/tenure-track teaching position and you would like to file an employment-based petition for permanent residency, you should consider filing a petition under the category of "Outstanding Researcher or Professor." As with any petition for permanent residency, Z&A can assist you in determining the type of classification for which you might qualify and which type (or types) is best for you.
For more information on EB-1 Visa, please refer to the following links: