People · Operator

John Halamka

Named in public records as an officer, director or promoter · active 2022–2022 · Biotechnology

1
Companies
1
Filings
$12.3M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
nference, inc.BiotechnologySeries A$12.3M$32.6M2022
Operator network

John Halamka 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.

Tim Barrows · 5 companies · 1 sharedTim BarrowsHarris Fishman · 4 companies · 1 sharedHarris FishmanAndrew Danielsen · 3 companies · 1 sharedAndrew DanielsenDavid Goel · 3 companies · 1 sharedDavid GoelMurali Aravamudan · 2 companies · 1 sharedMurali AravamudanThomas McNaughton · 2 companies · 1 sharedThomas McNaughtonAgustin Marquez · 1 companies · 1 sharedAgustin MarquezAjit Rajasekharan · 1 companies · 1 sharedAjit RajasekharanVenkataramanan Soundararajan · 1 companies · 1 sharedVenkataramanan So…nference, inc. · $12.3M raisednference, inc.John HalamkaJH
John Halamka Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Tim Barrows15
Harris Fishman14
David Goel13
Andrew Danielsen13
Murali Aravamudan12
Thomas McNaughton12
Venkataramanan Soundararajan11
Ajit Rajasekharan11
Agustin Marquez11

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.