People · Operator

Samuel L. Barker

Named in public records as an officer, director or promoter · active 2010–2022 · Pharmaceuticals, Biotechnology

2
Companies
7
Filings
$507.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Lexicon Pharmaceuticals, Inc.PharmaceuticalsSeries D+$446.0M$374.2M2010
Cyclacel Pharmaceuticals, Inc.BiotechnologySeries B$61.3M$5.2M2020
Operator network

Samuel L. Barker 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.

Raymond Debbane · 4 companies · 1 sharedRaymond DebbaneArthur T Sands · 2 companies · 1 sharedArthur T SandsChristopher E. Sobecki · 2 companies · 1 sharedChristopher E. So…Lonnel Coats · 2 companies · 1 sharedLonnel CoatsPhilippe J. Amouyal · 2 companies · 1 sharedPhilippe J. Amouy…Raymond F. Debbane · 2 companies · 1 sharedRaymond F. DebbaneAlan J. Main · 1 companies · 1 sharedAlan J. MainAlan S. Nies · 1 companies · 1 sharedAlan S. NiesAlexander L. Santini · 1 companies · 1 sharedAlexander L. Sant…Brian P. Zambrowicz · 1 companies · 1 sharedBrian P. Zambrowi…Brian T. Crum · 1 companies · 1 sharedBrian T. CrumRobert Spiegel · 8 companies · 1 sharedRobert SpiegelBrian Schwartz · 6 companies · 1 sharedBrian SchwartzDAVID LAZAR · 5 companies · 1 sharedDAVID LAZARDANIEL K. SPIEGELMAN · 4 companies · 1 sharedDANIEL K. SPIEGEL…Avraham Ben-Tzvi · 3 companies · 1 sharedAvraham Ben-TzviCHRISTOPHER S. HENNEY · 2 companies · 1 sharedCHRISTOPHER S. HE…David Natan · 2 companies · 1 sharedDavid NatanJohn Banham · 2 companies · 1 sharedJohn BanhamKarin L. Walker · 2 companies · 1 sharedKarin L. WalkerAvraham Fock Ben-Tzvi · 1 companies · 1 sharedAvraham Fock Ben-…Brian L. Schwartz · 1 companies · 1 sharedBrian L. SchwartzLexicon Pharmaceuticals, Inc. · $446.0M raisedLexicon Pharmaceutica…Cyclacel Pharmaceuticals, Inc. · $61.3M raisedCyclacel Pharmaceutic…Samuel L. BarkerSB
Samuel L. Barker Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Robert Spiegel18
Brian Schwartz16
DAVID LAZAR15
Raymond Debbane14
DANIEL K. SPIEGELMAN14
Avraham Ben-Tzvi13
CHRISTOPHER S. HENNEY12
Karin L. Walker12
Raymond F. Debbane12
Philippe J. Amouyal12
Lonnel Coats12
David Natan12
Arthur T Sands12
John Banham12
Christopher E. Sobecki12
Alan J. Main11
Judith L. Swain11
James F. Tessmer11
Brian P. Zambrowicz11
Christopher J. Sobecki11

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.