However, less than half are used each year because not that many applications were made. The person does not require an American company sponsor. He can sponsor himself. In the other visa categories, a family member or an employer has to sponsor the applicant. However, he or she is expected to come to the U.S. to continue to work in the field in which he or she has extraordinary ability, although a job offer is not required.
People have a habit of underevaluating themselves.
Outstanding professors and researchers must have a job offer for a tenured or tenure-track from a university, research or similar institution. The applicant must be internationally regarded for excellence and meet two of six criteria which includes receipts of prizes or awards, published articles or books, and similar achievements. This category is limited to those working in the sciences, arts or business. The standard for the national interest waiver has not been fully established but U.S has applied the following factors. Other evidence may be submitted to persuade U.S. Immigration clerks processing the application that the person's work would be in the national interest.