Michael Seibel
E841353
Michael Seibel is an American entrepreneur and investor best known as a managing director and group partner at Y Combinator and co-founder of multiple influential startups.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Michael Seibel canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T10096209 — 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: Michael Seibel Context triple: [Socialcam, creator, Michael Seibel]
-
A.
Eric Danchick
Eric Danchick is a film producer known for his work on the movie "Bound 2."
-
B.
Marc Raibert
Marc Raibert is an American roboticist and entrepreneur best known as the founder of Boston Dynamics and a pioneer in legged and dynamic robotics.
-
C.
Craig Wion
Craig Wion is a summit in the Rhinogydd mountain range of Snowdonia in north-west Wales.
-
D.
Brian Schmetzer
Brian Schmetzer is an American soccer coach best known for leading Seattle Sounders FC to multiple MLS Cup titles and establishing the club as a perennial league contender.
-
E.
Mike Sievert
Mike Sievert is an American business executive best known for leading T-Mobile US through its high-growth, "Un-carrier" strategy and major merger with Sprint.
- 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: Michael Seibel Target entity description: Michael Seibel is an American entrepreneur and investor best known as a managing director and group partner at Y Combinator and co-founder of multiple influential startups.
-
A.
Eric Danchick
Eric Danchick is a film producer known for his work on the movie "Bound 2."
-
B.
Marc Raibert
Marc Raibert is an American roboticist and entrepreneur best known as the founder of Boston Dynamics and a pioneer in legged and dynamic robotics.
-
C.
Craig Wion
Craig Wion is a summit in the Rhinogydd mountain range of Snowdonia in north-west Wales.
-
D.
Brian Schmetzer
Brian Schmetzer is an American soccer coach best known for leading Seattle Sounders FC to multiple MLS Cup titles and establishing the club as a perennial league contender.
-
E.
Mike Sievert
Mike Sievert is an American business executive best known for leading T-Mobile US through its high-growth, "Un-carrier" strategy and major merger with Sprint.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
entrepreneur
ⓘ
person ⓘ startup founder ⓘ |
| associatedWith |
Twitch
ⓘ
YC Demo Day ⓘ |
| boardMemberOf | various technology startups ⓘ |
| coFounded |
Justin.tv
ⓘ
linked to:
Justin.tv (as co-founder)
Socialcam ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt | Yale University ⓘ |
| employer | Y Combinator ⓘ |
| fieldOfWork |
internet entrepreneurship
ⓘ
online video ⓘ startup acceleration ⓘ |
| gender | male ⓘ |
| hasActivity |
public speaking on startups and fundraising
ⓘ
writing and publishing startup advice online ⓘ |
| hasRole |
mentor to founders
ⓘ
seed-stage investor ⓘ startup advisor ⓘ |
| industry |
startups
ⓘ
technology ⓘ venture capital ⓘ |
| influenced | early-stage startup ecosystem ⓘ |
| knownFor |
co-founding Justin.tv
ⓘ
co-founding Socialcam ⓘ early-stage startup investing ⓘ leadership at Y Combinator ⓘ |
| languageSpoken | English ⓘ |
| memberOf | Y Combinator partnership ⓘ |
| notableFor | supporting underrepresented founders in tech ⓘ |
| notableWork |
Justin.tv
ⓘ
linked to:
Justin.tv (as co-founder)
Socialcam ⓘ Twitch (via Justin.tv pivot) ⓘ
linked to:
Twitch
|
| occupation |
entrepreneur
ⓘ
investor ⓘ startup mentor ⓘ |
| positionHeld |
Group Partner at Y Combinator
ⓘ
linked to:
Y Combinator
Managing Director at Y Combinator ⓘ |
| residence | San Francisco Bay Area ⓘ |
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: Michael Seibel Description of subject: Michael Seibel is an American entrepreneur and investor best known as a managing director and group partner at Y Combinator and co-founder of multiple influential startups.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Justin.tv (as co-founder)
subject linked to:
Justin.tv (as co-founder)
subject linked to:
Justin.tv (as co-founder)
subject linked to:
Socialcam (as co-founder)