David Ulevitch
E217952
DNS service provider
business executive
company
human
internet security company
investor
technology entrepreneur
David Ulevitch is an American technology entrepreneur and investor best known as the founder of the DNS and internet security company OpenDNS.
All labels observed (1)
| Label | Occurrences |
|---|---|
| David Ulevitch canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1503525 — 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: David Ulevitch Context triple: [OpenDNS, foundedBy, David Ulevitch]
-
A.
Chris Lebenzon
Chris Lebenzon is an American film editor known for his long-time collaborations with directors like Tim Burton and Tony Scott on major Hollywood films.
-
B.
Phil Szostak
Phil Szostak is an American architect best known for designing the Durham Performing Arts Center in North Carolina.
-
C.
Jay O. Rothman
Jay O. Rothman is an American attorney and academic leader who serves as president of the University of Wisconsin System.
-
D.
Michael P. Brenner
Michael P. Brenner is an American applied mathematician and physicist known for his influential work in fluid dynamics and complex systems.
-
E.
Sam Zussman
Sam Zussman is a sports and media executive who serves as a top business leader for the NBA’s Brooklyn Nets organization.
- 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: David Ulevitch Target entity description: David Ulevitch is an American technology entrepreneur and investor best known as the founder of the DNS and internet security company OpenDNS.
-
A.
Chris Lebenzon
Chris Lebenzon is an American film editor known for his long-time collaborations with directors like Tim Burton and Tony Scott on major Hollywood films.
-
B.
Phil Szostak
Phil Szostak is an American architect best known for designing the Durham Performing Arts Center in North Carolina.
-
C.
Jay O. Rothman
Jay O. Rothman is an American attorney and academic leader who serves as president of the University of Wisconsin System.
-
D.
Michael P. Brenner
Michael P. Brenner is an American applied mathematician and physicist known for his influential work in fluid dynamics and complex systems.
-
E.
Sam Zussman
Sam Zussman is a sports and media executive who serves as a top business leader for the NBA’s Brooklyn Nets organization.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
DNS service provider
ⓘ
business executive ⓘ company ⓘ human ⓘ internet security company ⓘ investor ⓘ technology entrepreneur ⓘ |
| basedIn | San Francisco Bay Area ⓘ |
| boardMemberOf | various technology startups ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| countryOfOrigin | United States of America ⓘ |
| educatedAt | Columbia University ⓘ |
| employer | Andreessen Horowitz ⓘ |
| fieldOfStudy | political science ⓘ |
| founded | OpenDNS ⓘ |
| gender | male ⓘ |
| industry |
domain name system services
ⓘ
internet security ⓘ |
| knownFor |
expertise in DNS infrastructure
ⓘ
expertise in cybersecurity ⓘ |
| languageSpoken | English ⓘ |
| notableFor | founding OpenDNS ⓘ |
| occupation |
businessperson
ⓘ
entrepreneur ⓘ investor ⓘ |
| positionHeld |
chief executive officer of OpenDNS
ⓘ
general partner at Andreessen Horowitz ⓘ |
| workFocus |
enterprise software investments
ⓘ
security technology investments ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: David Ulevitch Description of subject: David Ulevitch is an American technology entrepreneur and investor best known as the founder of the DNS and internet security company OpenDNS.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.