People · Operator

Peter Barrett

Named in public records as an officer, director or promoter · active 2009–2025 · Software / Tech, Biotechnology, Other Technology, Pharmaceuticals, Cybersecurity, Computers

18
Companies
33
Filings
$1.1B
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
JenaValve Technology IncSoftware / TechSeries D+$328.5M$2.2B2013
Larimar Therapeutics, Inc.BiotechnologySeries C$201.0M$3.3B2012
Synlogic, Inc.BiotechnologySeries C$186.5M$3.3B2014
xLight Inc.Other TechnologySeries C$51.6M$381.1M2022
Obsidian Therapeutics, Inc.BiotechnologySeries B$32.4M$1.3B2017
Synlogic, LLCBiotechnologySeries B$31.0M$679.3M2016
Sirion Holdings, Inc.PharmaceuticalsSeries B$30.2M$941.4M2009
Anjuna Security, Inc.CybersecuritySeries B$30.0M$731.9M2021
Infacare Pharmaceutical CorpPharmaceuticalsSeries A$26.7M$108.4M2013
Molecular Biometrics IncBiotechnologySeries A$25.3M$461.1M2009
Mnemosyne Pharmaceuticals IncBiotechnologySeries A$24.0M$445.8M2012
Artificial, Inc.Other TechnologySeries B$22.2M$503.0M2021
PsiQuantum, Corp.ComputersSeries B$22.0M$127.3M2025
Mosaic ML, Inc.AI / MLSeries B$21.7M$580.5M2021
Vitae Pharmaceuticals, IncPharmaceuticalsSeries A$15.0M$464.6M2009
SubPac, Inc.Other TechnologySeries A$15.0M$217.0M2015
Stromedix IncPharmaceuticalsSeed$2.0M$76.1M2011
Bingham Natural Wines, LLCOtherPre-Seed$400K$9.2M2017
Operator network

Peter Barrett 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.

Matt Ocko · 13 companies · 1 sharedMatt OckoRobert Mitchell · 9 companies · 1 sharedRobert MitchellBruce Booth · 12 companies · 1 sharedBruce BoothJonathan Leff · 11 companies · 1 sharedJonathan LeffMitchell S. Bloom · 7 companies · 1 sharedMitchell S. BloomMichael Powell · 14 companies · 1 sharedMichael PowellCorey Goodman · 13 companies · 1 sharedCorey GoodmanEdward Mathers · 12 companies · 1 sharedEdward MathersDaniel Geffken · 6 companies · 1 sharedDaniel GeffkenElaine Jones · 6 companies · 1 sharedElaine JonesEd Mathers · 11 companies · 2 sharedEd MathersChau Khuong · 9 companies · 2 sharedChau KhuongLewis Geffen · 6 companies · 2 sharedLewis GeffenANKIT MAHADEVIA · 4 companies · 2 sharedANKIT MAHADEVIAJose Carlos Gutierrez-Ramos · 2 companies · 2 sharedJose Carlos Gutie…David Neafus · 7 companies · 1 sharedDavid NeafusBARRY BUTLER · 6 companies · 1 sharedBARRY BUTLERCharles Cohen · 6 companies · 1 sharedCharles CohenLonne Jaffe · 8 companies · 1 sharedLonne JaffePatrick Enright · 10 companies · 1 sharedPatrick EnrightDan Burns · 6 companies · 1 sharedDan BurnsJonathan Fleming · 9 companies · 1 sharedJonathan FlemingJenaValve Technology Inc · $328.5M raisedJenaValve Technology …Larimar Therapeutics, Inc. · $201.0M raisedLarimar Therapeutics,…Synlogic, Inc. · $186.5M raisedSynlogic, Inc.xLight Inc. · $51.6M raisedxLight Inc.Obsidian Therapeutics, Inc. · $32.4M raisedObsidian Therapeutics…Synlogic, LLC · $31.0M raisedSynlogic, LLCSirion Holdings, Inc. · $30.2M raisedSirion Holdings, Inc.Anjuna Security, Inc. · $30.0M raisedAnjuna Security, Inc.Infacare Pharmaceutical Corp · $26.7M raisedInfacare Pharmaceutic…Molecular Biometrics Inc · $25.3M raisedMolecular Biometrics …Mnemosyne Pharmaceuticals Inc · $24.0M raisedMnemosyne Pharmaceuti…Artificial, Inc. · $22.2M raisedArtificial, Inc.PsiQuantum, Corp. · $22.0M raisedPsiQuantum, Corp.Mosaic ML, Inc. · $21.7M raisedMosaic ML, Inc.Peter BarrettPB
Peter Barrett Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Ed Mathers211
Chau Khuong29
Lewis Geffen26
Michael Gilman26
ANKIT MAHADEVIA24
Jose Carlos Gutierrez-Ramos22
Bryan Roberts118
Michael Powell114
Corey Goodman113
Matt Ocko113
Bruce Booth112
Edward Mathers112
Jonathan Leff111
Patrick Enright110
Jonathan Fleming19
Robert Mitchell19
Lonne Jaffe18
David Neafus17
Mitchell S. Bloom17
Daniel Lynch17

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.