People · Operator
Named in public records as an officer, director or promoter · active 2010–2022 · Biotechnology, Manufacturing, Other Technology, Investment Vehicle
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Prolacta Bioscience Inc | — | Biotechnology | Series B | $64.7M | $353.6M | 2018 |
| Cheribundi, Inc. | — | Manufacturing | Series B | $60.2M | $1.9M | 2012 |
| EverQuote, Inc. | — | Other Technology | Series B | $52.4M | $255.9M | 2022 |
| Vestmark Inc | — | Other Technology | Series B | $43.6M | $354.8M | 2016 |
| Ecosmart Technologies Inc | — | Other Technology | Series A | $6.0M | $167.0M | 2010 |
| Cogo Fund 2020 LLC | — | Investment Vehicle | Seed | $1.4M | $13.5M | 2022 |
John Shields 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 John Shields on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Blundin | 2 | 7 |
| Dave Blundin | 2 | 4 |
| Sanju Bansal | 2 | 4 |
| John Giordano | 2 | 2 |
| John Lunny | 2 | 2 |
| Frank Foster | 1 | 12 |
| John Wagner | 1 | 10 |
| Andreas Guldin | 1 | 9 |
| Marcel Bens | 1 | 8 |
| Zachary Shulman | 1 | 7 |
| JAMES PETRAS | 1 | 6 |
| Zachary J. Shulman | 1 | 6 |
| Stoddard Wilson | 1 | 5 |
| Michael DeRosa | 1 | 5 |
| David Mason | 1 | 4 |
| Dan Janney | 1 | 4 |
| David Brailer | 1 | 4 |
| Jonathan Shapiro | 1 | 4 |
| ROBERT FISHER | 1 | 4 |
| Edward Wilson | 1 | 3 |
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.