People · Operator

Brett Giroir

Named in public records as an officer, director or promoter · active 2021–2026 · Biotechnology, Pharmaceuticals

3
Companies
6
Filings
$243.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
OncoNano Medicine, Inc.BiotechnologySeries C$115.0M$84.2M2025
Altesa BioSciences, Inc.PharmaceuticalsSeries C$110.0M$373.9M2022
Revelar Biotherapeutics, Inc.BiotechnologySeries B$18.5M$20.0M2021
Operator network

Brett Giroir 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.

Alvaro Guillem · 3 companies · 1 sharedAlvaro GuillemJeff Keyser · 3 companies · 1 sharedJeff KeyserJohn Dyett · 3 companies · 1 sharedJohn DyettMartin Driscoll · 3 companies · 1 sharedMartin DriscollRavi Srinivasan · 3 companies · 1 sharedRavi SrinivasanGina Jones · 2 companies · 1 sharedGina JonesJoydeep Goswami · 2 companies · 1 sharedJoydeep GoswamiCaleb Smith · 1 companies · 1 sharedCaleb SmithKartik Krishnan · 1 companies · 1 sharedKartik KrishnanMatthew Head · 1 companies · 1 sharedMatthew HeadMelissa Paoloni · 1 companies · 1 sharedMelissa PaoloniIttai Harel · 6 companies · 1 sharedIttai HarelSeth Rudnick · 5 companies · 1 sharedSeth RudnickMoncef Slaoui · 3 companies · 1 sharedMoncef SlaouiNicholas Williams · 2 companies · 1 sharedNicholas WilliamsAndrew Drechsler · 1 companies · 1 sharedAndrew DrechslerJohn Clerici · 1 companies · 1 sharedJohn ClericiJon Edwards · 1 companies · 1 sharedJon EdwardsDavid Scheer · 6 companies · 1 sharedDavid ScheerPaul Fonteyne · 5 companies · 1 sharedPaul FonteyneLaurence Smith · 2 companies · 1 sharedLaurence SmithGlenn Marina · 1 companies · 1 sharedGlenn MarinaOncoNano Medicine, Inc. · $115.0M raisedOncoNano Medicine, In…Altesa BioSciences, Inc. · $110.0M raisedAltesa BioSciences, I…Revelar Biotherapeutics, Inc. · $18.5M raisedRevelar Biotherapeuti…Brett GiroirBG
Brett Giroir Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Ittai Harel16
David Scheer16
Seth Rudnick15
Paul Fonteyne15
Jeff Keyser13
Ravi Srinivasan13
Moncef Slaoui13
John Dyett13
Martin Driscoll13
Alvaro Guillem13
Laurence Smith12
Nicholas Williams12
Gina Jones12
Joydeep Goswami12
Yumin Qui11
Kartik Krishnan11
Melissa Paoloni11
Yumin Qiu11
John Clerici11
Caleb Smith11

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.