People · Operator

B. Jefferson Clark

Named in public records as an officer, director or promoter · active 2009–2025 · Biotechnology, Other Health Care, Other, Other Technology, Healthtech

12
Companies
40
Filings
$401.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Regado Biosciences IncBiotechnologySeries B$141.7M$793.8M2012
Metabolon, IncOther Health CareSeries B$123.6M$42.1M2015
Argos Therapeutics IncBiotechnologySeries B$55.4M$873.5M2010
Veritas Collaborative Holdings, LLCOther Health CareSeries A$32.4M$46.3M2017
HyperBranch Medical Technology IncOther Health CareSeed$12.4M$12.4M2009
Aldagen IncBiotechnologySeries A$9.5M$21.1M2009
Galaxy Diagnostics, Inc.BiotechnologySeries A$6.7M$15.0M2023
Matchwell, LLCOtherSeries A$6.3M$61.4M2018
Quinsite, Inc.Other TechnologySeries A$6.0M$52.0M2023
Essential Health Solutions Inc.HealthtechSeries A$4.1M$92.8M2016
Matchwell, Inc.Other Health CareSeed$2.4M$45.8M2021
Pneumocyte LLCOther Health CarePre-Seed$600K$1.8M2025
Operator network

B. Jefferson Clark 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.

Richard M. West · 3 companies · 1 sharedRichard M. WestP. Sherrill Neff · 8 companies · 1 sharedP. Sherrill NeffJohn Oxaal · 7 companies · 1 sharedJohn OxaalDavid Pierson · 5 companies · 1 sharedDavid PiersonEdward L. Erickson · 4 companies · 1 sharedEdward L. EricksonR. John Fletcher · 4 companies · 1 sharedR. John FletcherR. Scott Barry · 3 companies · 1 sharedR. Scott BarryDonald A. Holzworth · 5 companies · 1 sharedDonald A. Holzwor…Mary Ann Tocio · 4 companies · 1 sharedMary Ann TocioRobert White · 8 companies · 1 sharedRobert WhiteAARON DAVIDSON · 4 companies · 1 sharedAARON DAVIDSONMICHAEL WASSERMAN · 3 companies · 1 sharedMICHAEL WASSERMANRichard Kent · 5 companies · 1 sharedRichard KentWilliam W Brooke · 4 companies · 1 sharedWilliam W BrookeMartin Murphy · 3 companies · 1 sharedMartin MurphyW. Thomas Amick · 3 companies · 1 sharedW. Thomas AmickRalph Jefferson Snyderman · 2 companies · 2 sharedRalph Jefferson S…Richard Jefferson West · 2 companies · 2 sharedRichard Jefferson…Joel Jefferson Kimbrough · 3 companies · 2 sharedJoel Jefferson Ki…Shaun Jefferson Lonergan · 2 companies · 2 sharedShaun Jefferson L…Frederick W. Eubank, II · 3 companies · 2 sharedFrederick W. Euba…Robert Crowe · 2 companies · 2 sharedRobert CroweRegado Biosciences Inc · $141.7M raisedRegado Biosciences IncMetabolon, Inc · $123.6M raisedMetabolon, IncArgos Therapeutics Inc · $55.4M raisedArgos Therapeutics IncVeritas Collaborative Holdings, LLC · $32.4M raisedVeritas Collaborative…HyperBranch Medical Technology Inc · $12.4M raisedHyperBranch Medical T…Aldagen Inc · $9.5M raisedAldagen IncGalaxy Diagnostics, Inc. · $6.7M raisedGalaxy Diagnostics, I…Matchwell, LLC · $6.3M raisedMatchwell, LLCQuinsite, Inc. · $6.0M raisedQuinsite, Inc.Essential Health Solutions Inc. · $4.1M raisedEssential Health Solu…Matchwell, Inc. · $2.4M raisedMatchwell, Inc.Pneumocyte LLC · $0.6M raisedPneumocyte LLCB. Jefferson ClarkBC
B. Jefferson Clark Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Frederick W. Eubank, II23
Joel Jefferson Kimbrough23
Richard Jefferson West22
Shaun Jefferson Lonergan22
Ralph Jefferson Snyderman22
Robert Crowe22
P. Sherrill Neff18
Robert White18
John Oxaal17
David Pierson15
Richard Kent15
Donald A. Holzworth15
AARON DAVIDSON14
Edward L. Erickson14
William W Brooke14
Mary Ann Tocio14
R. John Fletcher14
R. Scott Barry13
MICHAEL WASSERMAN13
W. Thomas Amick13

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.