Are green card categories for those who can demonstrate extraordinary ability in the sciences, arts, education, business, or athletics through sustained national or international acclaim.
Also, if you are an outstanding professor and researcher, you must demonstrate international recognition for your outstanding achievements in a particular academic field to qualify. You must have at least 3 years experience in teaching or research in that academic area. You must be entering the United States in order to pursue residency or tenure track teaching or a comparable research position at a university, institution of higher education, or private employer.
Finally, certain multinational managers or executives can apply who must have been employed outside the United States for at least 1 year in the 3 years preceding the petition or the most recent lawful nonimmigrant admission if you are already working for the U.S. petitioning employer. The U.S. petitioner must have been doing business for at least 1 year, have a qualifying relationship to the entity you worked for outside the U.S., and intend to employ you in a managerial or executive capacity.
You may be eligible for an employment-based, second preference (EB-2) permanent worker visa if you are a member of a profession and you have an advanced degree or its equivalent, or if you have an exceptional ability.
You may be eligible for this immigrant visa preference category if you are a skilled worker, professional, or other worker.
“Skilled workers” are persons whose jobs require a minimum of 2 years training or experience, not of a temporary or seasonal nature. The skilled worker must meet the educational, training, or experience requirements of the job opportunity. Relevant post-secondary education may be considered as training.
“Professionals” are persons whose job requires at least a U.S. baccalaureate or foreign equivalent degree and are a member of the professions.
The “other workers” subcategory is for persons performing unskilled labor requiring less than 2 years training, education, or experience, not of a temporary or seasonal nature.