Company president and scientific instrumentation developer demonstrated extraordinary ability through peer review work, scholarly articles, leading roles with distinguished company, and original marine geology contributions. AAO sustained appeal finding sustained acclaim at very top of field.

Transplant surgeon seeking EB-1A classification. Claimed six criteria; service center found only two met (judging and scholarly articles). AAO affirmed, finding remaining four criteria unsatisfied and concluding cumulative evidence insufficient for extraordinary ability at very top of field.

Investment firm petitions for O-1A classification for external managers evaluation specialist. Petitioner failed to submit required advisory opinion and satisfied only two of eight evidentiary criteria. Missing published material documentation and failing to establish three alternate criteria, petition dismissed.

Orthopedic surgeon specializing in spinal surgery claimed extraordinary ability. Met two of six claimed criteria: judging and scholarly articles. AAO dismissed, finding membership and published material criteria unmet. Three similar Chinese articles published nearly simultaneously raised questions about authenticity and common origin. Insufficient evidence of sustained national acclaim; did not demonstrate place at field's very top.