Employer-sponsored petition for postdoctoral research associate seeking EB-1A extraordinary ability. Petitioner met one criterion but failed final merits determination. The AAO found evidence insufficient to demonstrate sustained national or international acclaim or that petitioner rose to very top of field.

An economist with over 100 scholarly publications claims extraordinary ability in EB-1A. Director found five criteria met but denied on final merits, claiming insufficient sustained acclaim. AAO reversed, finding the petitioner's 20-year career with continuous publications and recognition demonstrates sustained national acclaim among top economists.

Information security analyst IV with PhD sought EB-1A extraordinary ability classification. AAO found beneficiary satisfied judging and authorship criteria but withdrew service center findings on leading role and high salary; did not meet threshold of three criteria; final merits determination not reached.

Physician and medical scientist petitioner sought EB-1A as assistant professor. AAO held petitioner must demonstrate sustained acclaim through achievements in primary claimed field and clear intent to continue work in that specific area of expertise. Appeal dismissed.