People · Operator
Named in public records as an officer, director or promoter · active 2020–2021 · Manufacturing
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Celtic Renewables Ltd | — | Manufacturing | Series A | $17.8M | $4.5M | 2020 |
Donald Francis Irwin Houston 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 Donald Francis Irwin Houston on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| Christopher John Nash | 1 | 2 |
| Ian Evans | 1 | 2 |
| Claire Gordon Treacy | 1 | 1 |
| Donald Irwin MacLeod | 1 | 1 |
| Martin Gerard Tangney | 1 | 1 |
| John Gordon Stevenson | 1 | 1 |
| Ian Richard Evans | 1 | 1 |
| James Arthur Richard Boyd | 1 | 1 |
| Douglas John Ward | 1 | 1 |
| Mark William Simmers | 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.