People · Operator
Named in public records as an officer, director or promoter · active 2015–2020 · Other Technology, Computers
| Company | Role | Sector | Stage | Raised · real | Value · est | Tied |
|---|---|---|---|---|---|---|
| Arrikto Inc. | — | Other Technology | Series A | $10.6M | $233.9M | 2015 |
| Pollfish, Inc. | — | Computers | Series A | $9.1M | $211.5M | 2016 |
Athanasios Kalekos 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 Athanasios Kalekos on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.
| Operator | Shared | Their companies |
|---|---|---|
| John Vrionis | 1 | 5 |
| Joseph Costello | 1 | 4 |
| Ioannis Papadakis | 1 | 1 |
| Ion Tsakonas | 1 | 1 |
| Ioannis Zaoudis | 1 | 1 |
| Andreas Vourkos | 1 | 1 |
| Konstantinos Venetsanopoulos | 1 | 1 |
| Eliodoro Batingana | 1 | 1 |
| Evangelos Koukis | 1 | 1 |
| Constantine Polychronopoulos | 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.