People · Operator
Named in public records as an officer, director or promoter · active 2009–2025 · Edtech, Other Health Care, Other, Other Technology, Business Services
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Open Education Holdings Inc. | — | Edtech | Series C | $135.7M | $8.5M | 2011 |
| PillPack, Inc. | — | Other Health Care | Series C | $81.2M | $711.0M | 2015 |
| Corvium, Inc. | — | Other | Series A | $38.4M | $30.1M | 2013 |
| Kinvey, Inc. | — | Other Technology | Series A | $31.3M | $392.4M | 2014 |
| Restorando, Inc. | — | Other Technology | Series A | $26.0M | $55.5M | 2013 |
| 33Across Inc | — | Other | Series A | $24.9M | $198.3M | 2010 |
| Digital Lumens Inc | — | Business Services | Series A | $11.3M | $103.4M | 2009 |
Jon Karlen 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 Jon Karlen on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Jeffrey Bussgang | 2 | 7 |
| Fred Destin | 2 | 5 |
| John Lee | 1 | 20 |
| Howard Morgan | 1 | 17 |
| Stephen Bloch | 1 | 15 |
| David Frankel | 1 | 14 |
| George Zachary | 1 | 9 |
| Jeff Lieberman | 1 | 8 |
| Chad Packard | 1 | 8 |
| Nicolas Szekasy | 1 | 7 |
| Micah Rosenbloom | 1 | 6 |
| Lewis Gersh | 1 | 6 |
| Brady Bohrmann | 1 | 6 |
| Peter Kellner | 1 | 6 |
| Tim Curran | 1 | 5 |
| Stephen Chang | 1 | 5 |
| Andrew Ziolkowski | 1 | 5 |
| John McIntire | 1 | 4 |
| Jeff Bussgang | 1 | 4 |
| Santiago Subotovsky | 1 | 4 |
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.