People · Operator
Named in public records as an officer, director or promoter · active 2020–2022 · Healthtech, Other Health Care, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Health Rhythms Inc. | — | Healthtech | Series B | $19.4M | $217.7M | 2022 |
| Vytyl Health Management, Inc. | — | Healthtech | Series A | $11.8M | $105.9M | 2022 |
| eMindful Inc. | — | Other Health Care | Seed | $11.0M | $10.2M | 2020 |
| Choosing Therapy Inc. | — | Other Technology | Series A | $7.0M | $102.5M | 2021 |
Seth Feuerstein at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.
People named alongside Seth Feuerstein on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Leslie Frecon | 2 | 3 |
| William Sullivan | 1 | 13 |
| Stephanie Choo | 1 | 8 |
| Gus Tai | 1 | 4 |
| Sunny Kumar | 1 | 3 |
| Richard Zane | 1 | 3 |
| Dan Gebremedhin | 1 | 3 |
| John Chuang | 1 | 3 |
| Andrew Aldrich | 1 | 3 |
| Jorge Rico | 1 | 3 |
| Paul Gilbert | 1 | 3 |
| Julius Mokrauer | 1 | 2 |
| Joel Kahn | 1 | 2 |
| Mary Pigatti | 1 | 2 |
| Zev Suissa | 1 | 1 |
| John J. Wider, Jr. | 1 | 1 |
| Kevin Renner | 1 | 1 |
| Ruth Wolever | 1 | 1 |
| Joseph Hudson | 1 | 1 |
| Elizabeth Ford | 1 | 1 |
People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.