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$373.9M2010
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
Arthur T Sands12
Lonnel Coats12
Christopher E. Sobecki12
John Banham12
David Natan12
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.