Robert Greifeld
E1577019
UNEXPLORED
Robert Greifeld is an American business executive best known for his long tenure as CEO of Nasdaq and later leadership roles in the financial technology and trading industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Robert Greifeld canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T23255602 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Robert Greifeld Context triple: [Virtu Financial, hasKeyPerson, Robert Greifeld]
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A.
Jonathan Steinberg
Jonathan Steinberg is an American finance executive and founder-CEO of the investment management firm WisdomTree, known also as the husband of television journalist Maria Bartiromo.
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B.
Bennett Zurofsky
Bennett Zurofsky is an American labor and civil rights attorney known for his work on behalf of unions, activists, and progressive causes.
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C.
Erich Heller
Erich Heller was a German-born British essayist and literary critic known for his influential writings on modern European literature and philosophy, particularly figures like Nietzsche, Kafka, and Rilke.
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D.
Robert Engelman
Robert Engelman is a film producer known for his work on major Hollywood genre films, including action, science fiction, and fantasy projects.
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E.
Jonathan E. Steinberg
Jonathan E. Steinberg is an American television writer and producer known for developing and showrunning series such as Human Target and Black Sails.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Robert Greifeld Target entity description: Robert Greifeld is an American business executive best known for his long tenure as CEO of Nasdaq and later leadership roles in the financial technology and trading industry.
-
A.
Jonathan Steinberg
Jonathan Steinberg is an American finance executive and founder-CEO of the investment management firm WisdomTree, known also as the husband of television journalist Maria Bartiromo.
-
B.
Bennett Zurofsky
Bennett Zurofsky is an American labor and civil rights attorney known for his work on behalf of unions, activists, and progressive causes.
-
C.
Erich Heller
Erich Heller was a German-born British essayist and literary critic known for his influential writings on modern European literature and philosophy, particularly figures like Nietzsche, Kafka, and Rilke.
-
D.
Robert Engelman
Robert Engelman is a film producer known for his work on major Hollywood genre films, including action, science fiction, and fantasy projects.
-
E.
Jonathan E. Steinberg
Jonathan E. Steinberg is an American television writer and producer known for developing and showrunning series such as Human Target and Black Sails.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.