The EB1 Outstanding Researcher or Outstanding Professor immigration category requires an offer of employment. In addition, a petition for an outstanding researcher or professor must be accompanied by:

1). Evidence that the alien applicant is recognized internationally as outstanding in his or her field of expertise.

2). An offer of employment from a U.S. university or institution of higher learning, or a private employer.

3). Evidence of at least 3 years of experience in teaching and/or research in alien's field of expertise.

For a private employer offering a permanent research position, the employer must show that it employs at least 3 full-time persons in research positions, and that it has achieved documented accomplishments in an academic field.

The alien applicant should has at least three years of experience in teaching and/or research in the academic field. Experience in teaching or research while working on an advanced degree will only be acceptable if the individual has acquired the degree, and if the teaching duties were such that he or she had full responsibility for the class taught, or if the research conducted toward the degree has been recognized in the academic field as outstanding.

Evidence of teaching and/or research experience shall be in the form of letter from former or current employer and shall include the name, address, and title of the writer, and a specific description of the duties performed by the person.
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