People · Operator
Named in public records as an officer, director or promoter · active 2009–2021 · Other Health Care, Other, Pharmaceuticals, Biotechnology, Other Technology, Hospitals and Physicians
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Alphatec Holdings, Inc. | — | Other Health Care | Series C | $133.7M | $608.3M | 2009 |
| Prosomnus Holdings Inc. | — | Other Health Care | Series A | $20.7M | $70.6M | 2017 |
| American Pet Resort Llc | — | Other | Series A | $13.6M | $66.9M | 2010 |
| Cns Therapeutics Inc | — | Pharmaceuticals | Series A | $13.1M | $94.5M | 2009 |
| SpineThera, Inc. | — | Pharmaceuticals | Seed | $11.5M | $27.5M | 2018 |
| InnerSpace Neuro Solutions, Inc. | — | Other Health Care | Series A | $8.8M | $15.6M | 2014 |
| Owl Biomedical, Inc. | — | Biotechnology | Seed | $4.1M | $133.2M | 2010 |
| AdrenaCard Inc. | — | Other Health Care | Pre-Seed | $1.3M | $4.8M | 2017 |
| Ometric Corp | — | Other Technology | Pre-Seed | $980K | $41.5M | 2009 |
| St Vincents Outpatient Surgery Services Llc | — | Hospitals and Physicians | Pre-Seed | $368K | $10.5M | 2011 |
John Foster 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 Foster on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John H. Foster | 2 | 4 |
| Leslie Cross | 2 | 3 |
| E. Bulkeley Griswold | 1 | 17 |
| David Adams | 1 | 14 |
| Nina Kjellson | 1 | 11 |
| WILLIAM JOHNSON | 1 | 10 |
| Scott Ward | 1 | 7 |
| Peter McNerney | 1 | 6 |
| James L.L. Tullis | 1 | 6 |
| Pratik Shah | 1 | 5 |
| Howard Rosen | 1 | 5 |
| Donald Williams | 1 | 4 |
| David H. Mowry | 1 | 3 |
| Larry Wilson | 1 | 3 |
| Michael Plunkett | 1 | 3 |
| Kevin Kotler | 1 | 3 |
| Jeffrey G. Black | 1 | 3 |
| Terry M. Rich | 1 | 2 |
| Tom C Davis | 1 | 2 |
| Michael S Rawlings | 1 | 2 |
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.