People · Operator
Named in public records as an officer, director or promoter · active 2009–2025 · Other Technology, Space / Aerospace, Software / Tech
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Spire Global, Inc. | — | Other Technology | Series D+ | $285.0M | $385.7M | 2025 |
| Spaceflight Industries, Inc. | — | Space / Aerospace | Series D+ | $183.2M | $1.0B | 2015 |
| Ursa Space Systems Inc. | — | Software / Tech | Series B | $65.9M | $9.5M | 2024 |
| Pontiflex Inc | — | Other Technology | Series A | $27.0M | $34.7M | 2014 |
| HyperSpectral Corp. | — | Other Technology | Series A | $18.8M | $23.4M | 2024 |
| Data Robotics, Inc. | — | Other Technology | Series A | $10.0M | $276.7M | 2009 |
William Porteous 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 Porteous on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Mark Spoto | 2 | 8 |
| Brian Hirsch | 1 | 19 |
| David Jones | 1 | 19 |
| Eric Wiesen | 1 | 17 |
| Ajay Royan | 1 | 13 |
| Ron Bernal | 1 | 10 |
| Scott Johnson | 1 | 10 |
| RICHARD FADE | 1 | 9 |
| Robert Harris | 1 | 9 |
| Alan Kessler | 1 | 6 |
| PAUL SCHAUT | 1 | 6 |
| Aneel Bhusri | 1 | 5 |
| Christopher Steed | 1 | 5 |
| Shawn Dougherty | 1 | 4 |
| Daniel Freeman | 1 | 4 |
| Brian Daum | 1 | 3 |
| Scott Eisenberg | 1 | 3 |
| Tom Edwards | 1 | 3 |
| ZEPHRIN LASKER | 1 | 2 |
| Brian O'Toole | 1 | 2 |
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.