People · Operator

Jan J. Garfinkle

Named in public records as an officer, director or promoter · active 2021–2023 · Other

1
Companies
2
Filings
$79.8M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
RareCyte, Inc.OtherSeries B$79.8M$103.6M2021
Operator network

Jan J. Garfinkle 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.

Andrew J. Schwab · 7 companies · 1 sharedAndrew J. SchwabBrian Daniels · 5 companies · 1 sharedBrian DanielsRobert Shepler · 4 companies · 1 sharedRobert SheplerFrank Witney · 3 companies · 1 sharedFrank WitneyFrank J. Witney · 2 companies · 1 sharedFrank J. WitneyJoseph Victor · 2 companies · 1 sharedJoseph VictorRobert J. Weisskoff · 2 companies · 1 sharedRobert J. Weissko…Daniel J. Marshak · 1 companies · 1 sharedDaniel J. MarshakDavid J. Kabakoff · 1 companies · 1 sharedDavid J. KabakoffEric Kaldjian · 1 companies · 1 sharedEric KaldjianEvan Castiglia · 1 companies · 1 sharedEvan CastigliaJim J. Cooper · 1 companies · 1 sharedJim J. CooperJoseph J. Victor Jr. · 1 companies · 1 sharedJoseph J. Victor …Ronald J. Seubert · 1 companies · 1 sharedRonald J. SeubertRonald Seubert · 1 companies · 1 sharedRonald SeubertStephen J. Reichenbach · 1 companies · 1 sharedStephen J. Reiche…RareCyte, Inc. · $79.8M raisedRareCyte, Inc.Jan J. GarfinkleJG
Jan J. Garfinkle Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Andrew J. Schwab17
Brian Daniels15
Robert Shepler14
Frank Witney13
Joseph Victor12
Frank J. Witney12
Robert J. Weisskoff12
Eric Kaldjian11
Ronald Seubert11
Evan Castiglia11
David J. Kabakoff11
Ronald J. Seubert11
Daniel J. Marshak11
Stephen J. Reichenbach11
Joseph J. Victor Jr.11
Jim J. Cooper11

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.