People · Operator
Named in public records as an officer, director or promoter · active 2017–2018 · Other, Other Health Care
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| MediaMath Holdings, Inc. | — | Other | Series D+ | $126.0M | $2.2B | 2018 |
| InfoBionic, Inc. | — | Other Health Care | Series C | $103.8M | $573.3M | 2018 |
| NovaSom, Inc | — | Other Health Care | Series B | $53.9M | $82.0M | 2017 |
Brian Sisko 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 Brian Sisko on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Nigel Morris | 1 | 9 |
| Adele Oliva | 1 | 9 |
| MICHAEL BARRETT | 1 | 7 |
| James A. Datin | 1 | 6 |
| Al Wiegman | 1 | 5 |
| D. Keith Grossman | 1 | 5 |
| Adele C. Oliva | 1 | 5 |
| Caleb Winder | 1 | 5 |
| Eran Nadav | 1 | 4 |
| NANCY BRIEFS | 1 | 4 |
| Peter Van Der Sluis | 1 | 3 |
| Stan Blaylock | 1 | 3 |
| Steven Wasserman | 1 | 3 |
| Hamid Tabatabaie | 1 | 3 |
| Darren Glatt | 1 | 3 |
| Jeffrey Rayport | 1 | 3 |
| Richard Kollender | 1 | 3 |
| William Wheaton | 1 | 3 |
| Tom Geiser | 1 | 2 |
| Steve Grenfell | 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.