People · Operator

John Flavin

Named in public records as an officer, director or promoter · active 2014–2022 · Pharma, Other Health Care, Other, Pharmaceuticals

4
Companies
9
Filings
$328.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Pyxis Oncology, Inc.PharmaSeries D+$194.5M$5.0B2019
Endotronix IncOther Health CareSeries C$116.1M$1.6B2018
ClostraBio, Inc.OtherSeries A$9.9M$77.7M2022
AltaThera Pharmaceuticals, LLCPharmaceuticalsSeed$7.6M$58.3M2014
Operator network

John Flavin 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.

David Steinberg · 14 companies · 1 sharedDavid SteinbergChristopher O'Donnell · 8 companies · 1 sharedChristopher O'Don…Christoph Westphal · 8 companies · 1 sharedChristoph WestphalGeeta Vemuri · 7 companies · 1 sharedGeeta VemuriRobert Crane · 7 companies · 1 sharedRobert CraneLucio Iannone · 6 companies · 1 sharedLucio IannoneJak Knowles · 4 companies · 1 sharedJak KnowlesChristian Schetter · 2 companies · 1 sharedChristian SchetterPAUL LAVIOLETTE · 12 companies · 1 sharedPAUL LAVIOLETTEMarc Goldberg · 9 companies · 1 sharedMarc GoldbergFouad Azzam · 8 companies · 1 sharedFouad AzzamGerry Brunk · 5 companies · 1 sharedGerry BrunkROBERT ZIESERL · 5 companies · 1 sharedROBERT ZIESERLJames Hummer · 2 companies · 1 sharedJames HummerKent Elmer · 2 companies · 1 sharedKent ElmerAnthony A. Nunez · 1 companies · 1 sharedAnthony A. NunezAnthony I Nunez · 1 companies · 1 sharedAnthony I NunezAnthony Nunez · 1 companies · 1 sharedAnthony NunezJeffrey Hubbell · 2 companies · 1 sharedJeffrey HubbellBrett Newswanger · 1 companies · 1 sharedBrett NewswangerRick White · 4 companies · 1 sharedRick WhiteBrandon Kashfian · 1 companies · 1 sharedBrandon KashfianPyxis Oncology, Inc. · $194.5M raisedPyxis Oncology, Inc.Endotronix Inc · $116.1M raisedEndotronix IncClostraBio, Inc. · $9.9M raisedClostraBio, Inc.AltaThera Pharmaceuticals, LLC · $7.6M raisedAltaThera Pharmaceuti…John FlavinJF
John Flavin Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Steinberg114
PAUL LAVIOLETTE112
Marc Goldberg19
Fouad Azzam18
Christopher O'Donnell18
Christoph Westphal18
Geeta Vemuri17
Robert Crane17
Lucio Iannone16
ROBERT ZIESERL15
Gerry Brunk15
Rick White14
Jak Knowles14
Kent Elmer12
Jeffrey Hubbell12
Christian Schetter12
James Hummer12
Anthony A. Nunez11
Leslie A. Saxon11
Reed Prior11

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.