People · Operator

Robert B. Stein

Named in public records as an officer, director or promoter · active 2009–2025 · Biotechnology

5
Companies
15
Filings
$431.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Agenus IncBiotechnologySeries C$211.2M$1.2B2017
PolyPid Ltd.BiotechnologySeries B$125.4M$126.1M2024
ImmunoGenesis, Inc.BiotechnologySeries C$50.2M$42.9M2024
Kinemed IncBiotechnologySeries A$35.3M$77.7M2009
Protagenic Therapeutics, Inc.\newBiotechnologySeries A$9.4M$24.2M2016
Operator network

Robert B. Stein 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.

Mark Dyne · 6 companies · 1 sharedMark DyneLawrence Burstein · 3 companies · 1 sharedLawrence BursteinAlexander K. Arrow · 2 companies · 1 sharedAlexander K. ArrowGaro H. Armen · 3 companies · 2 sharedGaro H. ArmenTimothy Wright · 7 companies · 1 sharedTimothy WrightShahzad Malik · 4 companies · 1 sharedShahzad MalikShalini Sharp · 4 companies · 1 sharedShalini SharpShahzad M. Malik · 3 companies · 1 sharedShahzad M. MalikCharles Evan Ballantyne · 2 companies · 1 sharedCharles Evan Ball…Christine M. Klaskin · 2 companies · 1 sharedChristine M. Klas…Garo Armen · 2 companies · 1 sharedGaro ArmenYechezkel Barenholz · 3 companies · 1 sharedYechezkel Barenho…Itzhak Krinsky · 2 companies · 1 sharedItzhak KrinskyRobert Stein · 6 companies · 2 sharedRobert SteinClifford Stocks · 5 companies · 1 sharedClifford StocksTED KOUTOUZIS · 4 companies · 1 sharedTED KOUTOUZISThomas Barton · 4 companies · 1 sharedThomas BartonFederica O'Brien · 2 companies · 1 sharedFederica O'BrienFederica Pericle · 2 companies · 1 sharedFederica PericleCharles J Casamento · 5 companies · 1 sharedCharles J Casamen…James S.J. Manuso · 3 companies · 1 sharedJames S.J. ManusoEdward Neugeboren · 2 companies · 1 sharedEdward NeugeborenAgenus Inc · $211.2M raisedAgenus IncPolyPid Ltd. · $125.4M raisedPolyPid Ltd.ImmunoGenesis, Inc. · $50.2M raisedImmunoGenesis, Inc.Kinemed Inc · $35.3M raisedKinemed IncProtagenic Therapeutics, Inc.\new · $9.4M raisedProtagenic Therapeuti…Robert B. SteinRS
Robert B. Stein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Robert Stein26
Garo H. Armen23
Timothy Wright17
Mark Dyne16
Charles J Casamento15
Clifford Stocks15
Shahzad Malik14
Thomas Barton14
Shalini Sharp14
TED KOUTOUZIS14
James S.J. Manuso13
Shahzad M. Malik13
Lawrence Burstein13
Yechezkel Barenholz13
Charles Evan Ballantyne12
Federica O'Brien12
Robert E. Curry12
Edward Neugeboren12
Christine M. Klaskin12
Alexander K. Arrow12

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.