People · Operator

Daniel J. G. Geffken

Named in public records as an officer, director or promoter · active 2015–2015 · Biotechnology

1
Companies
1
Filings
$5.3M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Opsonix, Inc.—BiotechnologySeed$5.3M$55.5M2015
Operator network

Daniel J. G. Geffken 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.

Daniel J. Geffken · 3 companies · 1 sharedDaniel J. GeffkenBrian J. G. Pereira · 2 companies · 1 sharedBrian J. G. Perei…Lewis J Geffen · 2 companies · 1 sharedLewis J GeffenAndrew J Stevenson · 1 companies · 1 sharedAndrew J StevensonAnne J. Sissel · 1 companies · 1 sharedAnne J. SisselBrian J. Pereira · 1 companies · 1 sharedBrian J. PereiraEric J Devroe · 1 companies · 1 sharedEric J DevroePriyanka J Rohatgi · 1 companies · 1 sharedPriyanka J RohatgiOpsonix, Inc. · $5.3M raisedOpsonix, Inc.Daniel J. G. GeffkenDG
Daniel J. G. Geffken Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Daniel J. Geffken13
Brian J. G. Pereira12
Lewis J Geffen12
Brian J. Pereira11
Andrew J Stevenson11
Anne J. Sissel11
Eric J Devroe11
Priyanka J Rohatgi11

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.