People · Operator
Named in public records as an officer, director or promoter · active 2015–2023 · Fintech, Software / Tech, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Lively, Inc. | — | Fintech | Series C | $117.1M | $1.8B | 2018 |
| SlideRule Labs, Inc. | — | Software / Tech | Series B | $68.9M | $141.5M | 2017 |
| Umba, Inc. | — | Other Technology | Series B | $15.5M | $271.8M | 2022 |
| Quizlet, Inc. | — | Other Technology | Series A | $12.0M | $332.9M | 2015 |
Mark Selcow 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 Mark Selcow on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Fred Wilson | 1 | 15 |
| Greg Sands | 1 | 13 |
| MARK SHERMAN | 1 | 8 |
| Jon Foster | 1 | 6 |
| Shobin Uralil | 1 | 2 |
| Andrew Sutherland | 1 | 2 |
| Esteban Sosnik | 1 | 2 |
| Robert Mittendorf | 1 | 1 |
| David L. Margulius | 1 | 1 |
| Parul Gupta | 1 | 1 |
| Gautam Tambay | 1 | 1 |
| Anne Samak De La Cerda | 1 | 1 |
| Tiernan Kennedy | 1 | 1 |
| Barry O'Mahony | 1 | 1 |
| Alex Cyriac | 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.