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Longterm Wiki

Manifold (Prediction Market)

Startup

Key People

3
JG
James GrugettFounder
Co-founder
Dec 2021 – present
Co-founder of Manifold Markets. Carnegie Mellon graduate. Later moved to work on Codebuff (YC Fall 2024 batch). Reduced involvement circa 2024–2025.
SG
Stephen GrugettFounder
Co-founder & CEO
Dec 2021 – present
Co-founder and CEO of Manifold Markets. Previously at Susquehanna International Group (SIG). Yale CS/Philosophy. Still CEO as of 2026.
AC
Austin ChenFounder
Co-founder
Dec 2021 – Apr 2024
Co-founder of Manifold Markets. UC Berkeley; previously at Google and Streamlit. Departed April 2, 2024 to focus full-time on Manifund. Returned unvested equity.
▶Internal Metadata
ID: sid_Y8MiLNuAWA
Stable ID: sid_Y8MiLNuAWA
Wiki ID: E546
Type: organization
YAML Source: packages/factbase/data/fb-entities/manifold.yaml
Facts: 0 structured (1 total)
Records: 3 in 1 collection