People · Operator

Jonathan Kaufman

Named in public records as an officer, director or promoter · active 2008–2024 · Telecommunications, Pharmaceuticals, Biotechnology

3
Companies
17
Filings
$115.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Fusion Connect, Inc.TelecommunicationsSeries B$105.3M$436.8M2013
Lipella Pharmaceuticals Inc.PharmaceuticalsSeed$8.2M$9.6M2008
Metritrack,Inc.BiotechnologySeed$2.2M$68.0M2015
Operator network

Jonathan Kaufman 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.

Christopher D. Brady · 5 companies · 1 sharedChristopher D. Br…DENNIS MEHIEL · 2 companies · 1 sharedDENNIS MEHIELLewis W. Dickey, Jr. · 2 companies · 1 sharedLewis W. Dickey, …MARVIN S. ROSEN · 2 companies · 1 sharedMARVIN S. ROSENMatthew Rosen · 2 companies · 1 sharedMatthew RosenPaul O'Brien · 2 companies · 1 sharedPaul O'BrienAlan Brumberger E. · 1 companies · 1 sharedAlan Brumberger E.ALAN E. BRUMBERGER · 1 companies · 1 sharedALAN E. BRUMBERGERBARBARA HUGHES · 1 companies · 1 sharedBARBARA HUGHESBrumberger E. Alan · 1 companies · 1 sharedBrumberger E. AlanCHARLES WHITING · 1 companies · 1 sharedCHARLES WHITINGDaniel Cohen · 15 companies · 1 sharedDaniel CohenDAVID BATTLEMAN · 2 companies · 1 sharedDAVID BATTLEMANLEAF HUANG · 2 companies · 1 sharedLEAF HUANGTHOMAS PETZINGER, JR. · 2 companies · 1 sharedTHOMAS PETZINGER,…BERNARD TOKARCZYK · 1 companies · 1 sharedBERNARD TOKARCZYKByong Kim · 1 companies · 1 sharedByong KimDouglas Johnston · 1 companies · 1 sharedDouglas JohnstonDavid McClellan · 3 companies · 1 sharedDavid McClellanMichael Cannizzaro · 2 companies · 1 sharedMichael CannizzaroCalin Caluser · 1 companies · 1 sharedCalin CaluserCalin Clauser · 1 companies · 1 sharedCalin ClauserFusion Connect, Inc. · $105.3M raisedFusion Connect, Inc.Lipella Pharmaceuticals Inc. · $8.2M raisedLipella Pharmaceutica…Metritrack,Inc. · $2.2M raisedMetritrack,Inc.Jonathan KaufmanJK
Jonathan Kaufman Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Daniel Cohen115
Christopher D. Brady15
David McClellan13
Matthew Rosen12
DENNIS MEHIEL12
Lewis W. Dickey, Jr.12
LEAF HUANG12
MARVIN S. ROSEN12
THOMAS PETZINGER, JR.12
Michael Cannizzaro12
DAVID BATTLEMAN12
Paul O'Brien12
JAN SARRO11
PHILIP D TURITS11
RAYMOND E. MABUS11
GORDON HUTCHINS JR11
BARBARA HUGHES11
ALAN E. BRUMBERGER11
MATTHEW D. ROSEN11
Jan D. Sarro11

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.