People · Operator

Michael Breen

Named in public records as an officer, director or promoter · active 2013–2025 · Biotechnology, Energy / Climate, Consumer / Retail

3
Companies
6
Filings
$83.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
GT Biopharma, Inc.BiotechnologySeries B$53.5M$98.3M2025
Growing Energy Labs, Inc.Energy / ClimateSeries A$20.3M$3.7M2013
Wizard Brands, Inc.Consumer / RetailSeries A$9.4M$23.2M2019
Operator network

Michael Breen 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.

Charles Casamento · 5 companies · 1 sharedCharles CasamentoAndrew Ritter · 3 companies · 1 sharedAndrew RitterAnthony Cataldo · 2 companies · 1 sharedAnthony CataldoBruce Wendel · 2 companies · 1 sharedBruce WendelDavid Saloff · 2 companies · 1 sharedDavid SaloffSteven Weldon · 2 companies · 1 sharedSteven WeldonAlan Urban · 1 companies · 1 sharedAlan UrbanAnshuman Dube · 1 companies · 1 sharedAnshuman DubeAnthony J. Cataldo · 1 companies · 1 sharedAnthony J. CataldoMilo Werner · 7 companies · 1 sharedMilo WernerJohn Scull · 5 companies · 1 sharedJohn ScullBen Brown · 3 companies · 1 sharedBen BrownMiguel Granier · 3 companies · 1 sharedMiguel GranierJames Lyons · 2 companies · 1 sharedJames LyonsCrispell Wagner · 1 companies · 1 sharedCrispell WagnerDaniel Loflin · 1 companies · 1 sharedDaniel LoflinMichael Mathews · 5 companies · 1 sharedMichael MathewsVadim Mats · 3 companies · 1 sharedVadim MatsMichael D. Breen · 2 companies · 1 sharedMichael D. BreenPaul Kessler · 2 companies · 1 sharedPaul KesslerPaul L Kessler · 2 companies · 1 sharedPaul L KesslerGareb Shamus · 1 companies · 1 sharedGareb ShamusGT Biopharma, Inc. · $53.5M raisedGT Biopharma, Inc.Growing Energy Labs, Inc. · $20.3M raisedGrowing Energy Labs, …Wizard Brands, Inc. · $9.4M raisedWizard Brands, Inc.Michael BreenMB
Michael Breen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Milo Werner17
Michael Mathews15
Charles Casamento15
John Scull15
Ben Brown13
Andrew Ritter13
Vadim Mats13
Miguel Granier13
David Saloff12
Anthony Cataldo12
Paul Kessler12
Steven Weldon12
James Lyons12
Paul L Kessler12
Michael D. Breen12
Bruce Wendel12
Greg Suess11
John Macaluso11
John Maatta11
Ryan Wartena11

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.