There are five categories for granting permanent residence to foreign
nationals based on employment skills.
1. EB-1 Priority workers
1)Foreign nationals of extraordinary ability in the sciences, arts,
education, business or athletics;
2)Foreign national that are outstanding professors or researchers;
3)Foreign nationals that are managers and executives subject to
international transfer to the United States; http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgne
