AI Tinkerers St. Louis
St. Louis, MO
AI Tinkerers St. Louis is a recurring meetup where local builders give and watch technical AI demos.
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Arch Grants
At a glance
What they do
Arch Grants is a nonprofit that gives grants to St. Louis startups and is the region's largest source of new AI startups.
Leadership: Gabe Angieri, Executive Director
Funding and ownership
- Nonprofit
- Founded 2011
Traction
- 291 companies funded (Nov 2025)
- $870M in follow-on capital
- 11 AI/ML portfolio companies in 2025 and 2026 cohorts
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