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.

Management consulting firm petitioned for beneficiary's EB-1A extraordinary ability classification. Beneficiary met three evidentiary criteria (judging, scholarly articles, critical role) but AAO found evidence totality did not demonstrate sustained national or international acclaim or placement among the very top of the field.

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.

A chemistry, manufacturing, and controls regulatory affairs researcher met three evidentiary criteria (published material, judging, scholarly articles). However, on final merits the AAO found insufficient evidence of sustained national acclaim or that she ranked among the very top of her field. Limited press coverage and peer review activities did not demonstrate differentiation from peers. Appeal dismissed.