People · Operator
Named in public records as an officer, director or promoter · active 2016–2026 · Insurance, Healthtech, Other Health Care, Cybersecurity
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Cityblock Health, Inc. | — | Insurance | Series D+ | $847.8M | $5.4B | 2017 |
| Artemis Health Inc. | — | Healthtech | Series B | $46.4M | $566.7M | 2017 |
| Daymark Health, Inc. | — | Healthtech | Series B | $37.5M | $122.3M | 2025 |
| Docent Health, Inc. | — | Other Health Care | Series B | $17.1M | $378.8M | 2016 |
| Tulea Health, Inc. | — | Healthtech | Series A | $10.0M | $32.6M | 2025 |
| BlueFlag Security Inc. | — | Cybersecurity | Series A | $7.5M | $22.5M | 2026 |
Ambar Bhattacharyya 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 Ambar Bhattacharyya on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Alon Krashinsky | 2 | 6 |
| Hemant Taneja | 1 | 21 |
| Dalton Wright | 1 | 10 |
| Mohamad Makhzoumi | 1 | 10 |
| Jon Lim | 1 | 9 |
| Stephen Kraus | 1 | 7 |
| Grant Gordon | 1 | 5 |
| Vivek Garipalli | 1 | 5 |
| Nagraj Kashyap | 1 | 5 |
| Deval Patrick | 1 | 4 |
| Roy Beveridge | 1 | 4 |
| Daniel Doctoroff | 1 | 4 |
| Chris Bischoff | 1 | 4 |
| Trevor Price | 1 | 4 |
| Yvette Bright | 1 | 3 |
| Ashok Subramanian | 1 | 3 |
| Robert Pahlavan | 1 | 3 |
| Iyah Romm | 1 | 3 |
| Andy Slavitt | 1 | 3 |
| Paul Roscoe | 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.