People · Operator

Jack Nielsen

Named in public records as an officer, director or promoter · active 2008–2023 · Biotechnology, Other Health Care, Pharmaceuticals, Software / Tech

13
Companies
25
Filings
$2.0B
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Instil Bio, Inc.BiotechnologySeries D+$381.2M$6.5B2019
PROCEPT BioRobotics CorpOther Health CareSeries D+$348.8M$1.6B2015
Harmony Biosciences II, Inc.PharmaceuticalsSeries D+$345.0M$1.8B2018
Aligos Therapeutics, Inc.BiotechnologySeries D+$282.2M$940.0M2019
Apollo Endosurgery Us IncBiotechnologySeries C$175.9M$2.2B2016
Inspirna, Inc.BiotechnologySeries C$141.9M$1.1B2022
Unchained LabsSoftware / TechSeries B$86.0M$517.4M2015
Alios Biopharma IncPharmaceuticalsSeries C$82.3M$1.4B2008
ManaT Bio, Inc.BiotechnologySeries C$72.1M$847.8M2023
Neomend IncOther Health CareSeries B$48.9M$221.5M2009
Ocelot Bio, Inc.PharmaceuticalsSeries B$39.0M$31.0M2021
Kanyos Bio, Inc.BiotechnologySeries A$16.4M$376.0M2015
Protein Forest, Inc.BiotechnologySeed$5.0M$33.3M2008
Operator network

Jack Nielsen 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.

Camille Samuels · 6 companies · 1 sharedCamille SamuelsThomas Woiwode · 7 companies · 1 sharedThomas WoiwodeRobert Crane · 7 companies · 1 sharedRobert CraneFrederic Moll · 10 companies · 1 sharedFrederic MollFRED MOLL · 8 companies · 1 sharedFRED MOLLReza Zadno · 7 companies · 1 sharedReza ZadnoAntonio Gracias · 15 companies · 1 sharedAntonio GraciasAaron Royston · 7 companies · 1 sharedAaron RoystonJeffrey Aronin · 6 companies · 1 sharedJeffrey AroninBruce Robertson · 7 companies · 1 sharedBruce RobertsonPeter Hirth · 7 companies · 2 sharedPeter HirthLawrence Blatt · 3 companies · 2 sharedLawrence BlattLeonid Beigelman · 2 companies · 2 sharedLeonid BeigelmanANTOINE PAPIERNIK · 6 companies · 1 sharedANTOINE PAPIERNIKBrent Ahrens · 7 companies · 1 sharedBrent AhrensHeather Preston · 6 companies · 1 sharedHeather PrestonJack B. Nielsen · 6 companies · 2 sharedJack B. NielsenRaymond Camahort · 4 companies · 2 sharedRaymond CamahortCampbell Murray · 9 companies · 1 sharedCampbell MurrayJens Eckstein · 8 companies · 1 sharedJens EcksteinJohn Donovan · 8 companies · 1 sharedJohn DonovanAlbert Cha · 9 companies · 1 sharedAlbert ChaInstil Bio, Inc. · $381.2M raisedInstil Bio, Inc.PROCEPT BioRobotics Corp · $348.8M raisedPROCEPT BioRobotics C…Harmony Biosciences II, Inc. · $345.0M raisedHarmony Biosciences I…Aligos Therapeutics, Inc. · $282.2M raisedAligos Therapeutics, …Apollo Endosurgery Us Inc · $175.9M raisedApollo Endosurgery Us…Inspirna, Inc. · $141.9M raisedInspirna, Inc.Unchained Labs · $86.0M raisedUnchained LabsAlios Biopharma Inc · $82.3M raisedAlios Biopharma IncManaT Bio, Inc. · $72.1M raisedManaT Bio, Inc.Neomend Inc · $48.9M raisedNeomend IncOcelot Bio, Inc. · $39.0M raisedOcelot Bio, Inc.Kanyos Bio, Inc. · $16.4M raisedKanyos Bio, Inc.Protein Forest, Inc. · $5.0M raisedProtein Forest, Inc.Jack NielsenJN
Jack Nielsen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Peter Hirth27
Jack B. Nielsen26
Raymond Camahort24
Lawrence Blatt23
Leonid Beigelman22
Antonio Gracias115
Frederic Moll110
Albert Cha19
Campbell Murray19
Jens Eckstein18
FRED MOLL18
John Donovan18
Robert Crane17
Brent Ahrens17
Bruce Robertson17
Reza Zadno17
Aaron Royston17
Thomas Woiwode17
Rodney Perkins16
Sandeep Laumas16

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.