People · Operator
Named in public records as an officer, director or promoter · active 2010–2025 · Other Technology, Healthtech, AI / ML, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Fetch Rewards, Inc. | — | Other Technology | Series D+ | $530.7M | $3.9B | 2018 |
| HealthVerity, Inc. | — | Healthtech | Series D+ | $146.2M | $2.1B | 2021 |
| Longtail Ad Solutions, Inc | — | Other Technology | Series C | $93.6M | $1.3B | 2012 |
| Public Holdings, Inc. | — | Other Technology | Series C | $78.5M | $1.7B | 2019 |
| Fuzzy Pet Health, Inc. | — | Healthtech | Series C | $66.1M | $776.5M | 2020 |
| Shipt, Inc. | — | Other Technology | Series B | $52.7M | $971.7M | 2017 |
| ClosedLoop.ai Inc. | — | AI / ML | Series B | $36.9M | $867.1M | 2021 |
| Verse Technologies, Inc | — | Software / Tech | Series B | $31.2M | $29.8M | 2018 |
| Ceros, Inc. | — | Other Technology | Series A | $31.2M | $277.4M | 2012 |
| Collective Inc | — | Other Technology | Series B | $30.9M | $440.7M | 2013 |
| Merchantry, Inc. | — | Other Technology | Series A | $23.5M | $194.2M | 2010 |
| Roo Inc. | — | Other Technology | Series A | $17.4M | $7.0M | 2020 |
| Petabyte Technology Inc. | — | Software / Tech | Series A | $15.5M | $137.3M | 2019 |
| Newton Research, Inc. | — | Other Technology | Series A | $13.1M | $31.5M | 2025 |
| 7hops.com, Inc. | — | Other Technology | Series A | $9.3M | $166.4M | 2014 |
| Data Plus Math Corp | — | Software / Tech | Series A | $7.5M | $124.8M | 2018 |
Ian Sigalow 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 Ian Sigalow on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| SAMEER GANDHI | 2 | 17 |
| John Hoctor | 2 | 2 |
| Matthew Emans | 2 | 2 |
| Alex Finkelstein | 1 | 16 |
| Michael Greeley | 1 | 15 |
| Kent Bennett | 1 | 14 |
| Lawson DeVries | 1 | 13 |
| Dana Stalder | 1 | 9 |
| Anthony Tjan | 1 | 9 |
| James McCann | 1 | 8 |
| Graham Brooks | 1 | 8 |
| MICHAEL LOEB | 1 | 8 |
| Geoff Judge | 1 | 8 |
| Thomas Gieselmann | 1 | 8 |
| David Reuter | 1 | 7 |
| Andrew Cleland | 1 | 7 |
| John Mandile | 1 | 7 |
| Christopher Young | 1 | 6 |
| Edward Shenderovich | 1 | 6 |
| Chris Young | 1 | 5 |
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.