People · Operator
Named in public records as an officer, director or promoter · active 2009–2021 · Other, Other Technology
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Tremor Media Inc | — | Other | Series C | $165.6M | $634.4M | 2010 |
| Longtail Ad Solutions, Inc | — | Other Technology | Series C | $93.6M | $1.3B | 2014 |
| Scanscout Inc | — | Other Technology | Series A | $13.6M | $236.4M | 2009 |
William Day 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 William Day on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| David Orfao | 2 | 10 |
| Steven Lee | 2 | 9 |
| James Rossman | 2 | 2 |
| Waikit Lau | 2 | 2 |
| RICHARD LEVANDOV | 1 | 20 |
| Michael Gordon | 1 | 18 |
| Ian Sigalow | 1 | 16 |
| Neil Sequeira | 1 | 14 |
| Anthony Tjan | 1 | 9 |
| Warren Lee | 1 | 8 |
| David Reuter | 1 | 7 |
| John Hamel | 1 | 5 |
| Rachel Lam | 1 | 5 |
| Randall Glein | 1 | 4 |
| Jim Flynn | 1 | 4 |
| John D. Hamel | 1 | 3 |
| Mark Pinney | 1 | 3 |
| Jason Glickman | 1 | 3 |
| Tim Stevens | 1 | 3 |
| Daniel Curtis | 1 | 3 |
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.