People · Operator

WILLIAM D. YOUNG

Named in public records as an officer, director or promoter · active 2010–2024 · Biotechnology, Pharma, Pharmaceuticals

4
Companies
11
Filings
$563.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Annexon, Inc.BiotechnologySeries D+$278.5M$2.8B2020
Autolus Therapeutics plcPharmaSeries D+$200.0M$2.4B2024
NanoString Technologies IncBiotechnologySeries B$53.3M$6.0M2010
Praxis Precision Medicines, Inc.PharmaceuticalsSeries B$31.9M$340.0M2018
Operator network

WILLIAM D. YOUNG 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.

Stacie Weninger · 4 companies · 1 sharedStacie WeningerMuneer A. Satter · 3 companies · 1 sharedMuneer A. SatterThomas G. Wiggans · 3 companies · 1 sharedThomas G. WiggansArnon Rosenthal · 2 companies · 1 sharedArnon RosenthalSanjay Keswani · 2 companies · 1 sharedSanjay KeswaniWilliam D. Waddill · 2 companies · 1 sharedWilliam D. WaddillJohn H Johnson · 4 companies · 1 sharedJohn H JohnsonBrent Rice · 2 companies · 1 sharedBrent RiceMartin H. Murphy · 2 companies · 1 sharedMartin H. MurphyJennifer Fonstad · 9 companies · 1 sharedJennifer FonstadPerry Fell · 3 companies · 1 sharedPerry FellCharles Waite · 2 companies · 1 sharedCharles WaiteH. PERRY FELL · 2 companies · 1 sharedH. PERRY FELLJennifer Scott Fonstad · 2 companies · 1 sharedJennifer Scott Fo…Nicholas Galakatos · 6 companies · 1 sharedNicholas GalakatosThomas Dyrberg · 5 companies · 1 sharedThomas DyrbergStefan Vitorovic · 3 companies · 1 sharedStefan VitorovicWilliam Young · 3 companies · 1 sharedWilliam YoungAlfred Sandrock · 2 companies · 1 sharedAlfred SandrockNicholas G. Galakatos · 2 companies · 1 sharedNicholas G. Galak…Alfred G. Sandrock, Jr. · 1 companies · 1 sharedAlfred G. Sandroc…ARI BRETTMAN · 1 companies · 1 sharedARI BRETTMANAnnexon, Inc. · $278.5M raisedAnnexon, Inc.Autolus Therapeutics plc · $200.0M raisedAutolus Therapeutics …NanoString Technologies Inc · $53.3M raisedNanoString Technologi…Praxis Precision Medicines, Inc. · $31.9M raisedPraxis Precision Medi…WILLIAM D. YOUNGWY
WILLIAM D. YOUNG Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Jennifer Fonstad19
Nicholas Galakatos16
Thomas Dyrberg15
Stacie Weninger14
John H Johnson14
William Young13
Perry Fell13
Muneer A. Satter13
Thomas G. Wiggans13
Stefan Vitorovic13
Sanjay Keswani12
Arnon Rosenthal12
William D. Waddill12
H. PERRY FELL12
Charles Waite12
Brent Rice12
Jennifer Scott Fonstad12
Martin H. Murphy12
Alfred Sandrock12
Nicholas G. Galakatos12

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.