People · Operator

John Irwin

Named in public records as an officer, director or promoter · active 2014–2025 · Biotechnology, Pharmaceuticals

2
Companies
5
Filings
$15.0M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Aufbau Holdings LtdBiotechnologySeries A$13.8M$22.0M2023
Mitochon Pharmaceuticals, Inc.PharmaceuticalsPre-Seed$1.3M$20.1M2014
Operator network

John Irwin 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.

James Mitchell · 6 companies · 1 sharedJames MitchellWayne Merkelson · 3 companies · 1 sharedWayne MerkelsonH. Lawrence Remmel · 2 companies · 1 sharedH. Lawrence RemmelBruce R. Thaw · 1 companies · 1 sharedBruce R. ThawChairatch C. Phrompechrut · 1 companies · 1 sharedChairatch C. Phro…John T.G. Pena · 1 companies · 1 sharedJohn T.G. PenaRobert C. Hazlett · 1 companies · 1 sharedRobert C. HazlettJohn Geisler · 3 companies · 1 sharedJohn GeislerPeter Crooks · 1 companies · 1 sharedPeter CrooksRobert Alonso · 1 companies · 1 sharedRobert AlonsoAufbau Holdings Ltd · $13.8M raisedAufbau Holdings LtdMitochon Pharmaceuticals, Inc. · $1.3M raisedMitochon Pharmaceutic…John IrwinJI
John Irwin Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
James Mitchell16
John Geisler13
Wayne Merkelson13
H. Lawrence Remmel12
Robert C. Hazlett11
John T.G. Pena11
Chairatch C. Phrompechrut11
Peter Crooks11
Robert Alonso11
Bruce R. Thaw11

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.