People · Operator

Stephen R. Biggar

Named in public records as an officer, director or promoter · active 2011–2024 · Biotechnology, Pharma

3
Companies
5
Filings
$145.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Synageva Biopharma Corp.BiotechnologySeries C$120.8M$512.0M2011
Notch Therapeutics, Inc.PharmaSeries B$15.5M$113.9M2024
Kiniksa Pharmaceuticals, Ltd.BiotechnologySeries A$8.8M$318.1M2019
Operator network

Stephen R. Biggar 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.

FELIX J. BAKER · 4 companies · 2 sharedFELIX J. BAKERTHOMAS R MALLEY · 4 companies · 2 sharedTHOMAS R MALLEYSanj K. Patel · 2 companies · 2 sharedSanj K. PatelJames L.L. Tullis · 6 companies · 1 sharedJames L.L. TullisFelix Baker · 4 companies · 1 sharedFelix BakerMark Goldberg · 4 companies · 1 sharedMark GoldbergLyle Hohnke · 2 companies · 1 sharedLyle HohnkeStephen Biggar · 2 companies · 1 sharedStephen BiggarTHOMAS MALLEY · 2 companies · 1 sharedTHOMAS MALLEYFelix K. Baker · 1 companies · 1 sharedFelix K. BakerJames K. Tullis · 1 companies · 1 sharedJames K. TullisDavid Main · 2 companies · 1 sharedDavid MainBernard R. Lam · 1 companies · 1 sharedBernard R. LamCaroline R. Stout · 1 companies · 1 sharedCaroline R. StoutChris R. Bond · 1 companies · 1 sharedChris R. BondEmily R. Titus · 1 companies · 1 sharedEmily R. TitusHeather R. Lee · 1 companies · 1 sharedHeather R. LeeJanet R. Rossant · 1 companies · 1 sharedJanet R. RossantRichard S. Levy · 4 companies · 1 sharedRichard S. LevyBARRY D. QUART · 2 companies · 1 sharedBARRY D. QUARTCHRIS K HEBERLIG · 1 companies · 1 sharedCHRIS K HEBERLIGG. BRADLY D COLE · 1 companies · 1 sharedG. BRADLY D COLESynageva Biopharma Corp. · $120.8M raisedSynageva Biopharma Co…Notch Therapeutics, Inc. · $15.5M raisedNotch Therapeutics, I…Kiniksa Pharmaceuticals, Ltd. · $8.8M raisedKiniksa Pharmaceutica…Stephen R. BiggarSB
Stephen R. Biggar Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
FELIX J. BAKER24
THOMAS R MALLEY24
Sanj K. Patel22
James L.L. Tullis16
Richard S. Levy14
Mark Goldberg14
Felix Baker14
David Main12
BARRY D. QUART12
THOMAS MALLEY12
Stephen Biggar12
Lyle Hohnke12
Robyn K. Samuels11
Srini K. Akkaraju11
James K. Tullis11
ROBYN R. SAMUELS11
Caroline R. Stout11
Bernard R. Lam11
Kamran R. Alam11
Ulrik R. Nielsen11

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.