People · Operator
Named in public records as an officer, director or promoter · active 2009–2023 · Other Technology, Media & Content, Retailing, Other
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Squarespace, Inc. | — | Other Technology | Series D+ | $268.5M | $5.0B | 2014 |
| Etsy Inc | — | Other Technology | Series C | $45.6M | $176.2M | 2012 |
| Hang Media Inc. | — | Media & Content | Series A | $9.2M | $47.7M | 2023 |
| Helix Sleep, Inc. | — | Retailing | Series A | $8.9M | $42.5M | 2016 |
| Daylife Inc | — | Other | Seed | $4.0M | $74.4M | 2009 |
Jonathan Klein 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 Jonathan Klein on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Lee | 1 | 15 |
| Fred Wilson | 1 | 15 |
| Andrew Braccia | 1 | 7 |
| Daniel Rimer | 1 | 7 |
| James Breyer | 1 | 6 |
| Liza Landsman | 1 | 5 |
| Caterina Fake | 1 | 4 |
| Anton Levy | 1 | 4 |
| Jordan Hitch | 1 | 3 |
| Craig Peters | 1 | 2 |
| Upendra Shardanand | 1 | 2 |
| Roberto Bonanzinga | 1 | 2 |
| Dominique Vidal | 1 | 2 |
| Thomas Hoegh | 1 | 2 |
| Peter Kyviakidis | 1 | 1 |
| Jesse Hertzberg | 1 | 1 |
| Anthony R. Casalena | 1 | 1 |
| Dane R. Atkinson | 1 | 1 |
| Sinohe Terrero | 1 | 1 |
| Andrew R. Braccia | 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.