A public health specialist and medical epidemiologist claimed extraordinary ability under EB-1A. The AAO dismissed the appeal, finding the petitioner did not establish three evidentiary criteria and failed to demonstrate sustained national or international acclaim necessary for extraordinary ability classification.

A self-petitioner claimed extraordinary ability in an unspecified field under EB-1A, asserting eight regulatory criteria. The AAO found petitioner met only the judging criterion but failed to satisfy the three-criterion threshold. On final merits, evidence did not demonstrate sustained national or international acclaim at the very top of the field.

Petitioner, a horse groomer, sought EB-1A classification. Initial submission was counsel's letter without documentary evidence. Director found no qualifying evidence under regulatory criteria. Petitioner abandoned all issues on appeal. AAO found petitioner failed to meet three-evidence requirement.

Performing arts professional claimed extraordinary ability. AAO upheld director's denial, finding only one of multiple claimed criteria met: judging. Awards and published material claims failed under plain language requirements. Burden not met to establish extraordinary ability.