People · Operator

John Boyce

Named in public records as an officer, director or promoter · active 2010–2025 · Biotechnology

4
Companies
7
Filings
$161.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Exosome Diagnostics, Inc.BiotechnologySeries B$90.9M$1.2B2017
NanoMosaic Inc.BiotechnologySeries C$44.8M$16.0M2021
GnuBIO Inc.BiotechnologySeries A$21.0M$361.5M2010
Brickbio Inc.BiotechnologySeries A$5.0M$180.8M2019
Operator network

John Boyce 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.

Georg Nebgen · 5 companies · 1 sharedGeorg NebgenWilliam Kelly · 5 companies · 1 sharedWilliam KellyDavid Okrongly · 4 companies · 1 sharedDavid OkronglyJames McCullough · 3 companies · 1 sharedJames McCulloughSara Barrington · 3 companies · 1 sharedSara BarringtonGeert-Jan Mulder · 2 companies · 1 sharedGeert-Jan MulderJoseph Boystak · 2 companies · 1 sharedJoseph BoystakKapil Dhingra · 2 companies · 1 sharedKapil DhingraPeter Johann · 2 companies · 1 sharedPeter JohannThomas McLain · 2 companies · 1 sharedThomas McLainAlex Robertson · 3 companies · 1 sharedAlex RobertsonAnurag Kondapalli · 3 companies · 1 sharedAnurag KondapalliJonathan Hostens · 2 companies · 1 sharedJonathan HostensAudrey Warner · 1 companies · 1 sharedAudrey WarnerScott Sherman · 2 companies · 2 sharedScott ShermanDavid Weitz · 4 companies · 1 sharedDavid WeitzMarie-Claude Bernal · 2 companies · 1 sharedMarie-Claude Bern…Boyce John · 1 companies · 1 sharedBoyce JohnDavid Bianchi · 1 companies · 1 sharedDavid BianchiCheri Walker · 2 companies · 1 sharedCheri WalkerAlexander Robertson · 1 companies · 1 sharedAlexander Roberts…Caylin Navo · 1 companies · 1 sharedCaylin NavoExosome Diagnostics, Inc. · $90.9M raisedExosome Diagnostics, …NanoMosaic Inc. · $44.8M raisedNanoMosaic Inc.GnuBIO Inc. · $21.0M raisedGnuBIO Inc.Brickbio Inc. · $5.0M raisedBrickbio Inc.John BoyceJB
John Boyce Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Scott Sherman22
William Kelly15
Georg Nebgen15
David Weitz14
David Okrongly14
Sara Barrington13
James McCullough13
Alex Robertson13
Anurag Kondapalli13
Kapil Dhingra12
Thomas McLain12
Cheri Walker12
Geert-Jan Mulder12
Joseph Boystak12
Peter Johann12
Jonathan Hostens12
Marie-Claude Bernal12
Boyce John11
David Claude Weitz11
David Bianchi11

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.