People · Operator
Named in public records as an officer, director or promoter · active 2019–2025 · Other Health Care, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Luminopia, Inc. | — | Other Health Care | Series B | $36.5M | $142.0M | 2019 |
| Sleuth Insights, Inc. | — | Other Technology | Series A | $7.7M | $25.5M | 2025 |
Mark Jacobstein 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 Mark Jacobstein on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Robert Langer | 1 | 36 |
| Casey Tansey | 1 | 14 |
| WILLIAM DAI | 1 | 8 |
| Joi Ito | 1 | 4 |
| Jeffrey Dunn | 1 | 3 |
| Michelle Lee | 1 | 2 |
| Scott Xiao | 1 | 1 |
| Dean Travers | 1 | 1 |
| MARK A. DOCKSER | 1 | 1 |
| DEAN A. TRAVERS | 1 | 1 |
| SCOTT A. XIAO | 1 | 1 |
| ALEXANDER A. WENDLAND | 1 | 1 |
| Andrew Pannu | 1 | 1 |
| Caleb Appleton | 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.