People · Operator

David Weitz

Named in public records as an officer, director or promoter · active 2009–2023 · Biotechnology

4
Companies
7
Filings
$138.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Raindance Technologies IncBiotechnologySeries C$105.7M$1.7B2009
GnuBIO Inc.BiotechnologySeries A$21.0M$361.5M2010
Syrna Therapeutics, Inc.BiotechnologySeries A$10.9M$88.9M2023
Nexgen Forensic Sciences, Inc.BiotechnologyPre-Seed$771K$24.9M2018
Operator network

David Weitz 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.

P. Sherrill Neff · 8 companies · 1 sharedP. Sherrill NeffWilliam Ericson · 6 companies · 1 sharedWilliam EricsonMichael Hunkapiller · 4 companies · 1 sharedMichael Hunkapill…Robert Cunningham · 4 companies · 1 sharedRobert CunninghamSirshendu Roopom Banerjee · 3 companies · 1 sharedSirshendu Roopom …Darren Link · 2 companies · 1 sharedDarren LinkSherill P. Neff · 2 companies · 1 sharedSherill P. NeffAlan B. Sherr · 1 companies · 1 sharedAlan B. SherrAlan R. Sherr · 1 companies · 1 sharedAlan R. SherrAlfred G. Merriweather · 1 companies · 1 sharedAlfred G. Merriwe…Andrew L. Watson · 1 companies · 1 sharedAndrew L. WatsonChristopher D McNary · 1 companies · 1 sharedChristopher D McN…Darren R. Link · 1 companies · 1 sharedDarren R. LinkJohn Boyce · 4 companies · 1 sharedJohn BoyceMarie-Claude Bernal · 2 companies · 1 sharedMarie-Claude Bern…Boyce John · 1 companies · 1 sharedBoyce JohnDavid Bianchi · 1 companies · 1 sharedDavid BianchiAiden Aceves · 2 companies · 1 sharedAiden AcevesJoel Dudley · 2 companies · 1 sharedJoel DudleyAndrew Feldman · 5 companies · 1 sharedAndrew FeldmanJeffrey Lin · 2 companies · 1 sharedJeffrey LinPeter McKenney · 2 companies · 1 sharedPeter McKenneyRaindance Technologies Inc · $105.7M raisedRaindance Technologie…GnuBIO Inc. · $21.0M raisedGnuBIO Inc.Syrna Therapeutics, Inc. · $10.9M raisedSyrna Therapeutics, I…Nexgen Forensic Sciences, Inc. · $0.8M raisedNexgen Forensic Scien…David WeitzDW
David Weitz Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
P. Sherrill Neff18
William Ericson16
Andrew Feldman15
Michael Hunkapiller14
Robert Cunningham14
John Boyce14
Sirshendu Roopom Banerjee13
Marie-Claude Bernal12
Peter McKenney12
Joel Dudley12
Darren Link12
Aiden Aceves12
Sherill P. Neff12
Jeffrey Lin12
William B. Ericson11
David Bianchi11
Alan R. Sherr11
William R. Ericson11
Alan B. Sherr11
Roch Roopom Kelly11

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.