S1 Seed Ventures
Venture capitalChicago · 5 people tracked
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Fund manager profile
S1 Seed Ventures is a venture fund manager based in Chicago. SEC filings show 1 venture fund on record, most recently S1 Seed Ventures I, LP ($30M offering) filed June 2024.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
Team · 5 people
from public directoriesWhat they invest in
from 1 of 1 portfolio companiesDigital Health ×1Healthtech ×1
HQs:United States×1
Investments · 1 tracked
founders shown can be your intro pathThird Eye Health operates a network of board-certified physicians providing virtual post-acute care and after-hours coverage for skilled nursing facilities and patients, using mobile technology and care coordination services.
Digital HealthHealthtechChicago, US
Daniel Herbstman(Executive Officer, Director, Promoter)Jamison Feramisco(Director)Lucas Baran(Executive Officer, Director, Promoter)
BoardMichael Sachs(Director)
Board seatLeo Brubaker· per SEC Form D · $6M raise · filed Sep 2023
Co-investorsA1 Health VenturesEquitage Ventures, L.L.C.Generator VenturesSPRINGROCK VENTURESThird Act VenturesWavemaker Three-Sixty Health
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- Where is S1 Seed Ventures located?
- S1 Seed Ventures is headquartered in Chicago, US.




