People · Operator

Jonathan Niloff

Named in public records as an officer, director or promoter · active 2009–2011 · Other Health Care

1
Companies
6
Filings
$38.3M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Medventive IncOther Health CareSeries A$38.3M$242.2M2009
Operator network

Jonathan Niloff 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.

Mark Levine · 9 companies · 1 sharedMark LevinePeter Grua · 7 companies · 1 sharedPeter GruaEnrico Petrillo · 6 companies · 1 sharedEnrico PetrilloWilliam R. Cowen · 6 companies · 1 sharedWilliam R. CowenMark Collins · 5 companies · 1 sharedMark CollinsNancy Brown · 5 companies · 1 sharedNancy BrownNancy Ham · 2 companies · 1 sharedNancy HamCharles Baker · 1 companies · 1 sharedCharles BakerMark J. Levine · 1 companies · 1 sharedMark J. LevinePeter Gura · 1 companies · 1 sharedPeter GuraMedventive Inc · $38.3M raisedMedventive IncJonathan NiloffJN
Jonathan Niloff Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Mark Levine19
Peter Grua17
Enrico Petrillo16
William R. Cowen16
Nancy Brown15
Mark Collins15
Nancy Ham12
Charles Baker11
Mark J. Levine11
Peter Gura11

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.