People · Operator

John Greffenstette

Named in public records as an officer, director or promoter · active 2022–2022 · Other Technology

1
Companies
1
Filings
$11.7M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Epistemix, Inc.Other TechnologySeries A$11.7M$30.3M2022
Operator network

John Greffenstette 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.

Adam Lipman · 4 companies · 1 sharedAdam LipmanBenjamin Dahl · 4 companies · 1 sharedBenjamin DahlStephen Remondi · 3 companies · 1 sharedStephen RemondiROBERT DELACH · 2 companies · 1 sharedROBERT DELACHDaniel Litvak · 1 companies · 1 sharedDaniel LitvakDonald Burke · 1 companies · 1 sharedDonald BurkeJohn Cordier · 1 companies · 1 sharedJohn CordierJohn Grefenstette · 1 companies · 1 sharedJohn GrefenstetteEpistemix, Inc. · $11.7M raisedEpistemix, Inc.John GreffenstetteJG
John Greffenstette Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Adam Lipman14
Benjamin Dahl14
Stephen Remondi13
ROBERT DELACH12
John Grefenstette11
John Cordier11
Daniel Litvak11
Donald Burke11

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.