Personnel·vV58nF95Ss·Record·Organization

Personnel: Stephen Grugett at Manifold (Prediction Market) (Co-founder & CEO)

Verdictconfirmed95%

1 check · 7/20/2026

1 → confirmed

Our claim

entire record

Person: 4LaT0LMUEX
Role: Co-founder & CEO
Role Type: key-person
Start Date: December 2021
Is Founder: Yes
Source: https://en.wikipedia.org/wiki/Manifold_(prediction_market)
Notes: Co-founder and CEO of Manifold Markets. Previously at Susquehanna International Group (SIG). Yale CS/Philosophy. Still CEO as of 2026.

Source evidence

1 src · 1 check

en.wikipedia.org/wiki/Manifold_(prediction_market)resource

confirmed95%Haiku 4.5 · 7/20/2026

NoteThe source directly confirms all key fields in the record: (1) person is Stephen Grugett ✓, (2) org is Manifold (Prediction Market) ✓, (3) role is CEO (the record claims 'Co-founder & CEO'; the source confirms he is a founder and current CEO) ✓, (4) startDate is December 2021 ✓. The source explicitly states 'Manifold was founded in December 2021 by Austin Chen and brothers James and Stephen Grugett' and 'Stephen Grugett is the current CEO of the organization.' All claimed facts are directly supported by the source text.

Case № vV58nF95SsFiled 7/20/2026Confidence 95%