People · Operator

Hiroyuki Rokus Willem Hara

Named in public records as an officer, director or promoter · active 2021–2021 · Other Technology

1
Companies
1
Filings
$150K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Dev Null AGOther TechnologyPre-Seed$150K$3.6M2021
Operator network

Hiroyuki Rokus Willem Hara 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.

Eelco Rokus Willem Fiole · 1 companies · 1 sharedEelco Rokus Wille…Mariko Rokus Willem Miyamoto · 1 companies · 1 sharedMariko Rokus Will…Mayumi Rokus Willem Haya · 1 companies · 1 sharedMayumi Rokus Will…Dev Null AG · $0.1M raisedDev Null AGHiroyuki Rokus Willem HaraHH
Hiroyuki Rokus Willem Hara Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside Hiroyuki Rokus Willem Hara on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
Mayumi Rokus Willem Haya11
Mariko Rokus Willem Miyamoto11
Eelco Rokus Willem Fiole11

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.