People · Operator
Named in public records as an officer, director or promoter · active 2009–2026 · Other Technology, Environmental Services, Other Health Care, Mining & Resources, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Songfinch, Inc. | — | Other Technology | Series B | $33.3M | $10.2M | 2022 |
| Synchrony Inc | — | Other Technology | Series A | $20.0M | $138.7M | 2009 |
| PureSense Environmental, Inc. | — | Environmental Services | Series A | $5.3M | $116.7M | 2009 |
| RCM Brain, Inc. | — | Other Technology | Seed | $3.4M | $12.5M | 2018 |
| NoSortMeds, Inc. | — | Other Health Care | Seed | $1.3M | $12.3M | 2022 |
| Emperor Metals Inc. | — | Mining & Resources | Pre-Seed | $609K | $935K | 2025 |
| Laiva Gold Inc. | — | Mining & Resources | Pre-Seed | $329K | $560K | 2026 |
| CBR Gold Corp. | — | Other | Pre-Seed | $259K | $6.0M | 2009 |
| Scottie Resources Corp. | — | Other | Pre-Seed | $200K | $489K | 2025 |
| Cedar Mountain Exploration Inc. | — | Other | Pre-Seed | $200K | $4.6M | 2012 |
John Williamson 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 Williamson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Sean Mager | 4 | 5 |
| Charles Chebry | 3 | 3 |
| Peter Kleespies | 2 | 2 |
| Jonathan Shulkin | 1 | 17 |
| Sam Yagan | 1 | 13 |
| JOHN ROBINS | 1 | 11 |
| Ian Harris | 1 | 8 |
| Kevin Foley | 1 | 8 |
| Phil Schwarz | 1 | 7 |
| Jon Shulkin | 1 | 5 |
| Philip Schwarz | 1 | 4 |
| Ernest Mast | 1 | 3 |
| Scott Horner | 1 | 3 |
| Dean Besserer | 1 | 3 |
| Matthew Crisp | 1 | 3 |
| CRAIG BENTHAM | 1 | 3 |
| Robert Puette | 1 | 3 |
| Anthony Huston | 1 | 2 |
| Dale Hansen | 1 | 2 |
| Josh Kaplan | 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.