People · Operator
Named in public records as an officer, director or promoter · active 2017–2017 · Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| CYREN Ltd. | — | Other Technology | Series B | $52.0M | $206.7M | 2017 |
Sigurdur Michael Stefnisson 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 Sigurdur Michael Stefnisson on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| James Hamilton | 1 | 8 |
| Bruce Johnson | 1 | 7 |
| John Becker | 1 | 7 |
| Brian Chang | 1 | 6 |
| Brett Jackson | 1 | 5 |
| Cary Davis | 1 | 5 |
| Brian Dunn | 1 | 4 |
| Todd Thomson | 1 | 4 |
| Kenneth Tarpey | 1 | 2 |
| Ben Carmi | 1 | 2 |
| Hila Karah | 1 | 2 |
| RICHARD FORD | 1 | 2 |
| Michael Fleck | 1 | 2 |
| Aviv Raiz | 1 | 2 |
| Matt Mosley | 1 | 1 |
| Sigurdur Stefnisson | 1 | 1 |
| Eric Spindel | 1 | 1 |
| Eva Edwards Markowitz | 1 | 1 |
| Cary Michael Davis | 1 | 1 |
| Mickey DiPietro | 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.