People · Operator

Joan Haab

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

1
Companies
2
Filings
$82.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Nature's Toolbox, Inc.BiotechnologySeries C$82.0M$54.5M2025
Operator network

Joan Haab 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.

Peter Kolchinsky · 8 companies · 1 sharedPeter KolchinskyEdward M. Liddy · 3 companies · 1 sharedEdward M. LiddyDavid R. Johnson · 2 companies · 1 sharedDavid R. JohnsonThomas R. Nickoloff · 2 companies · 1 sharedThomas R. Nickolo…Alexander Koglin · 1 companies · 1 sharedAlexander KoglinAlexander M. Koglin · 1 companies · 1 sharedAlexander M. Kogl…Andrew M Weber · 1 companies · 1 sharedAndrew M WeberCharles M. McMillan · 1 companies · 1 sharedCharles M. McMill…Daniel R. Clark · 1 companies · 1 sharedDaniel R. ClarkDavid R. Seldin · 1 companies · 1 sharedDavid R. SeldinEdward R. Liddy · 1 companies · 1 sharedEdward R. LiddyJames Coffin · 1 companies · 1 sharedJames CoffinJames M. Coffin · 1 companies · 1 sharedJames M. CoffinJames R. Coffin · 1 companies · 1 sharedJames R. CoffinMarcel R. Roche · 1 companies · 1 sharedMarcel R. RocheMichael Humbert · 1 companies · 1 sharedMichael HumbertMichael M. Humbert · 1 companies · 1 sharedMichael M. HumbertNancy M Rurkowski · 1 companies · 1 sharedNancy M RurkowskiPeter M. Kolchinsky · 1 companies · 1 sharedPeter M. Kolchins…Nature's Toolbox, Inc. · $82.0M raisedNature's Toolbox, Inc.Joan HaabJH
Joan Haab Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Peter Kolchinsky18
Edward M. Liddy13
Thomas R. Nickoloff12
David R. Johnson12
Edward R. Liddy11
James Coffin11
Marcel R. Roche11
Alexander M. Koglin11
Michael M. Humbert11
James M. Coffin11
Peter M. Kolchinsky11
Charles M. McMillan11
Andrew M Weber11
Nancy M Rurkowski11
Alexander Koglin11
Michael Humbert11
David R. Seldin11
James R. Coffin11
Daniel R. Clark11

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.