People · Operator

Douglas Baum

Named in public records as an officer, director or promoter · active 2012–2022 · Pharmaceuticals, Biotechnology, Other Health Care

3
Companies
11
Filings
$100.9M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Xeris Pharmaceuticals IncPharmaceuticalsSeries C$86.5M$1.1B2012
QSAM Biosciences, Inc.BiotechnologySeries A$13.8M$11.3M2021
Echo Testing Group, LLCOther Health CarePre-Seed$630K$18.2M2020
Operator network

Douglas Baum 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.

Timothy Sullivan · 16 companies · 1 sharedTimothy SullivanJonathan Rigby · 4 companies · 1 sharedJonathan RigbyNavneet Puri · 3 companies · 1 sharedNavneet PuriJohn Shannon · 2 companies · 1 sharedJohn ShannonPhillip Johnson · 2 companies · 1 sharedPhillip JohnsonBrad Huckabee · 1 companies · 1 sharedBrad HuckabeeCary McNair · 1 companies · 1 sharedCary McNairDoug Baum · 1 companies · 1 sharedDoug BaumChristopher Nelson · 5 companies · 1 sharedChristopher NelsonChristopher J. Spencer · 3 companies · 1 sharedChristopher J. Sp…Adam King · 2 companies · 1 sharedAdam KingChristopher M Nelson · 2 companies · 1 sharedChristopher M Nel…C. Richard Piazza · 2 companies · 1 sharedC. Richard PiazzaJoel Mayersohn · 2 companies · 1 sharedJoel MayersohnMichelle Murcia · 2 companies · 1 sharedMichelle MurciaAdriann Sax · 1 companies · 1 sharedAdriann SaxCharles J. Link Jr. · 1 companies · 1 sharedCharles J. Link J…J Lloyd Breedlove · 1 companies · 1 sharedJ Lloyd BreedloveJoel D Mayersohn · 1 companies · 1 sharedJoel D MayersohnJoel M Mayersohn · 1 companies · 1 sharedJoel M MayersohnJohn Butler · 5 companies · 1 sharedJohn ButlerGary Cadenhead · 1 companies · 1 sharedGary CadenheadXeris Pharmaceuticals Inc · $86.5M raisedXeris Pharmaceuticals…QSAM Biosciences, Inc. · $13.8M raisedQSAM Biosciences, Inc.Echo Testing Group, LLC · $0.6M raisedEcho Testing Group, L…Douglas BaumDB
Douglas Baum Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Timothy Sullivan116
Christopher Nelson15
John Butler15
Jonathan Rigby14
Navneet Puri13
Christopher J. Spencer13
Joel Mayersohn12
John Shannon12
Phillip Johnson12
Christopher M Nelson12
C. Richard Piazza12
Michelle Murcia12
Adam King12
Sudheer Pimputkar11
Adriann Sax11
Charles J. Link Jr.11
Joel M Mayersohn11
Richard C Piazza11
Joel D Mayersohn11
Kevin D. Bolin11

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.