People · Operator

David B Singer

Named in public records as an officer, director or promoter · active 2009–2026 · Hospitals and Physicians, Biotech / Pharma, Other Technology, Other Health Care, Biotechnology

5
Companies
10
Filings
$717.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
1Life Healthcare IncHospitals and PhysiciansSeries D+$325.5M$4.7B2011
Pacific Biosciences Of California, Inc.Biotech / PharmaSeries C$190.3M$981.0M2013
Infleqtion, Inc.Other TechnologySeries D+$126.5M$966.5M2026
Radisphere National Radiology Group, Inc.Other Health CareSeries B$65.1M$332.3M2010
Ambrx IncBiotechnologySeries A$10.0M$361.5M2009
Operator network

David B Singer 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.

John D. Diekman · 4 companies · 1 sharedJohn D. DiekmanAllan Marchington · 3 companies · 1 sharedAllan MarchingtonPeter G. Schultz · 3 companies · 1 sharedPeter G. SchultzStephen W. Kaldor · 3 companies · 1 sharedStephen W. KaldorShehan Dissanayake · 2 companies · 1 sharedShehan DissanayakeThomas H. Lee · 7 companies · 1 sharedThomas H. LeeAmir Dan Rubin · 2 companies · 1 sharedAmir Dan RubinAndrew H. Adams · 2 companies · 1 sharedAndrew H. AdamsBruce A. Dunlevie · 2 companies · 1 sharedBruce A. DunlevieRam M. Jagannath · 2 companies · 1 sharedRam M. JagannathRobert R. Schmidt · 2 companies · 1 sharedRobert R. SchmidtMichael Hunkapiller · 4 companies · 1 sharedMichael Hunkapill…Brook H Byers · 3 companies · 1 sharedBrook H ByersRandall S Livingston · 3 companies · 1 sharedRandall S Livings…David Botstein · 2 companies · 1 sharedDavid BotsteinKristina M. Johnson · 3 companies · 1 sharedKristina M. Johns…Andrew Adams · 13 companies · 1 sharedAndrew AdamsAndrew B. Adams · 6 companies · 1 sharedAndrew B. AdamsJonathan Bush · 5 companies · 1 sharedJonathan BushPeter Franklin · 2 companies · 1 sharedPeter FranklinSteven B. Kaminsky · 2 companies · 1 sharedSteven B. KaminskyAnn Huntress B. LaMont · 1 companies · 1 sharedAnn Huntress B. L…1Life Healthcare Inc · $325.5M raised1Life Healthcare IncPacific Biosciences Of California, Inc. · $190.3M raisedPacific Biosciences O…Infleqtion, Inc. · $126.5M raisedInfleqtion, Inc.Radisphere National Radiology Group, Inc. · $65.1M raisedRadisphere National R…Ambrx Inc · $10.0M raisedAmbrx IncDavid B SingerDS
David B Singer Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Andrew Adams113
Thomas H. Lee17
Andrew B. Adams16
Jonathan Bush15
Michael Hunkapiller14
John D. Diekman14
Brook H Byers13
Randall S Livingston13
Allan Marchington13
Stephen W. Kaldor13
Peter G. Schultz13
Kristina M. Johnson13
David Botstein12
Steven B. Kaminsky12
Peter Franklin12
Ram M. Jagannath12
Shehan Dissanayake12
Bruce A. Dunlevie12
Amir Dan Rubin12
Andrew H. Adams12

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.