People · Operator

Geoff MacKay

Named in public records as an officer, director or promoter · active 2016–2024 · Biotechnology, Other Technology

5
Companies
8
Filings
$452.0M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
eGenesis, Inc.BiotechnologySeries D+$265.0M$316.4M2016
Talaris Therapeutics, Inc.BiotechnologySeries D+$115.0M$4.4B2020
Satellos Bioscience Inc.BiotechnologySeries B$64.1M$145.6M2023
Replicel Life Sciences Inc.Other TechnologyPre-Seed$5.5M$867K2017
Gemstone BioTherapeutics, LLCBiotechnologySeed$2.3M$31.1M2016
Operator network

Geoff MacKay 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.

David Oros · 5 companies · 1 sharedDavid OrosGeorge Davis · 4 companies · 1 sharedGeorge DavisSteven Gillis · 23 companies · 1 sharedSteven GillisPAUL SEKHRI · 7 companies · 1 sharedPAUL SEKHRIBob More · 6 companies · 1 sharedBob MoreBrad Smith · 6 companies · 1 sharedBrad SmithLucio Iannone · 6 companies · 1 sharedLucio IannoneIsaac Ciechanover · 5 companies · 1 sharedIsaac CiechanoverJulie Sunderland · 5 companies · 1 sharedJulie SunderlandBoris Nikolic · 3 companies · 1 sharedBoris NikolicRahul Kakkar · 3 companies · 1 sharedRahul KakkarSapna Srivastava · 3 companies · 1 sharedSapna SrivastavaMark McDade · 5 companies · 1 sharedMark McDadeScott Requadt · 5 companies · 1 sharedScott RequadtFrancois Nader · 3 companies · 1 sharedFrancois NaderNick Galakatos · 3 companies · 1 sharedNick GalakatosElizabeth Williams · 9 companies · 1 sharedElizabeth WilliamsMICHAEL LIGGETT · 5 companies · 1 sharedMICHAEL LIGGETTAdam Mostafa · 3 companies · 1 sharedAdam MostafaDAVID HALL · 8 companies · 1 sharedDAVID HALLPeter Lewis · 4 companies · 1 sharedPeter LewisPETER JENSEN · 3 companies · 1 sharedPETER JENSENeGenesis, Inc. · $265.0M raisedeGenesis, Inc.Talaris Therapeutics, Inc. · $115.0M raisedTalaris Therapeutics,…Satellos Bioscience Inc. · $64.1M raisedSatellos Bioscience I…Replicel Life Sciences Inc. · $5.5M raisedReplicel Life Science…Gemstone BioTherapeutics, LLC · $2.3M raisedGemstone BioTherapeut…Geoff MacKayGM
Geoff MacKay Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Steven Gillis123
Elizabeth Williams19
DAVID HALL18
PAUL SEKHRI17
Brad Smith16
Bob More16
Lucio Iannone16
Mark McDade15
Scott Requadt15
MICHAEL LIGGETT15
Julie Sunderland15
David Oros15
Isaac Ciechanover15
George Davis14
Peter Lewis14
Francois Nader13
PETER JENSEN13
Sapna Srivastava13
Adam Mostafa13
Boris Nikolic13

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.