People · Operator

Arthur Grigorian

Named in public records as an officer, director or promoter · active 2018–2021 · Biotechnology

1
Companies
6
Filings
$35.6M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Legacy Ventures, LLCBiotechnologySeries A$35.6M$58.3M2018
Operator network

Arthur Grigorian 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.

C. David Adair · 4 companies · 1 sharedC. David AdairRobert Helmedag · 3 companies · 1 sharedRobert HelmedagArthur J. Ulm III · 1 companies · 1 sharedArthur J. Ulm IIIArthur Ulm · 1 companies · 1 sharedArthur UlmArthur Ulm, III · 1 companies · 1 sharedArthur Ulm, IIIMike David Kujak · 1 companies · 1 sharedMike David KujakMike Kujak · 1 companies · 1 sharedMike KujakStephen Rybka · 1 companies · 1 sharedStephen RybkaSteve Rybka · 1 companies · 1 sharedSteve RybkaLegacy Ventures, LLC · $35.6M raisedLegacy Ventures, LLCArthur GrigorianAG
Arthur Grigorian Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
C. David Adair14
Robert Helmedag13
Arthur Ulm, III11
Stephen Rybka11
Mike David Kujak11
Arthur J. Ulm III11
Arthur Ulm11
Steve Rybka11
Mike Kujak11

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.